Document:

EXHIBIT 4.20           NONQUALIFIED STOCK OPTION CONTRACT

      THIS  NONQUALIFIED  STOCK OPTION  CONTRACT is entered into effective as of
the  __day of ____,  ____,  by and  between  INTER  PARFUMS,  INC.,  a  Delaware
corporation (the "Company") and _______ ("Optionee").

                              W I T N E S S E T H:

      1.    The Company, in accordance with the resolutions adopted by the Stock
Option  Committee  effective  as of  _____,  and the terms  and  subject  to the
conditions of the Company's  ____ Stock Option Plan (the "_____  Plan"),  hereby
grants to the  Optionee as of the date  hereinabove  set forth,  a  nonqualified
option to purchase an  aggregate  of _____  shares (the  "Shares") of the common
stock, $.001 par value per share, of the Company (the "Common Stock"), at $_____
per share.

      2.    The  term of this  option  shall  be five  (5)  years  from the date
hereof,  subject to earlier  termination  as provided  in the _____  Plan.  This
option  may be  exercised  in whole  or in part and from  time to time as to the
Shares but prior to the end of the term of the option,  by giving written notice
to the Company at its principal  office,  presently 551 Fifth Avenue,  New York,
New York 10176,  stating that the Optionee is exercising this nonqualified stock
option,  specifying the number of shares purchased and accompanied by payment in
full of the aggregate purchase price therefor (i) in cash or certified check, or
(ii) with  previously  acquired  shares of Common Stock or a combination  of the
foregoing if permitted in the discretion of the Committee. This option shall not
be  exercisable  at any time in an amount less that 100 Shares (or the remaining
Shares then covered and purchasable under this option if fewer that 100 Shares).
In no event may this option be exercised with respect to a fractional  Share. In
addition, upon the exercise of this option, the Company may withhold cash and/or
Shares to be issued with respect thereto,  having an aggregate fair market value
equal to the amount which it determines  is necessary to satisfy its  obligation
to withhold  federal,  state and local income  taxes or other taxes  incurred by
reason of such  exercise.  Alternatively,  the Company may require the holder to
pay to the Company such amount, in cash, promptly upon demand. The Company shall
not be required to issue any Shares  pursuant to this option  until all required
payments have been made.

      3.    Nothing in the _____ Plan or herein  shall  confer upon the Optionee
any right to continue in the employ of, or be associated with, the Company,  its
Parent or any of its  Subsidiaries,  or  interfere  in any way with the right to
employment or association of the Optionee with the Company, its Parent or any of
its Subsidiaries.

      4.    The Optionee represents and agrees that in the event of any exercise
of this option,  unless the Shares  received upon such exercise  shall have been
registered under an effective registration statement under the Securities Act of
1933, as amended (the "Act"),  or there is an exemption from  registration,  the
Shares will be acquired for investment and not with a view towards  distribution
thereof,  and agrees that the Shares shall not be sold except in compliance with
the applicable provisions of the Act.

      5.    Notwithstanding  anything to the contrary,  if at any time the Board
of Directors or the Committee shall determine it its discretion that the listing
or  qualification  of the  Shares  on any  securities  exchange,  with  national
securities  association or under any applicable  law, or the consent or approval
of any  governmental  regulatory  body, is necessary or desirable as a condition
of, or in  connection  with,  the granting of an option,  or the issue of Shares
thereunder,  this  option may not be  exercised  in whole or in

                                      II-7
<PAGE>

part unless such  listing,  qualification,  consent or approval  shall have been
effected or  obtained  free of any  conditions  not  acceptable  to the Board of
Directors or the Committee.

      6.    The Company and the  Optionee  further  agree that they will both be
subject to and bound by all of the terms and conditions of the _____ Plan, which
is incorporated by reference herein and made a part hereof as if fully set forth
herein.  In the event the Optionee's  employment  by, or  association  with, the
Company,  its Parent or any of its Subsidiaries  terminates,  or in the event of
the death or disability of the Optionee,  the rights hereunder shall be governed
by, and made  subject to, the  provisions  of the _____ Plan.  In the event of a
conflict  between  the terms of this  Contract  and the terms of the _____ Plan,
then in such event,  the terms of _____ Plan shall  govern.  Except as otherwise
provided herein,  all capitalized  terms used herein shall have the same meaning
ascribed to them in the _____ Plan.

      7.    This option is not  transferable  otherwise than by will or the laws
of descent and  distribution  and may be  exercised,  during the lifetime of the
Optionee, only by the Optionee or his legal representatives.

      8.    The  Optionee  agrees  that the Company may amend the _____ Plan and
the  options  granted  to the  Optionee  under the _____  Plan,  subject  to the
limitations contained in the _____ Plan.

      9.    This Contract  shall be binding upon and inure to the benefit of any
successor or assign of the Company and to any executor,  administrator  or legal
representative entitled by law to the Optionee's right hereunder.

      10.   This Contract shall be governed by and construed in accordance  with
the laws of the State of New York, without regard to the principles of conflicts
of laws.

      IN WITNESS  WHEREOF,  the parties  hereto have entered into this  Contract
effective as of the date first above written.

                                         INTER PARFUMS, INC.

                                         By:
                                            --------------------------------

                                            --------------------------------

                                      II-8<PAGE>

                                                                    Exhibit 10.1

                                PROMISSORY NOTE
-------------------------------------------------------------------------------
Principal                   Loan Date                    Maturity
-------------------------------------------------------------------------------
$2,000,000.00               September 18, 2001           As specified below
-------------------------------------------------------------------------------

Parties and Addresses for Notices

Borrower:                                     Lender:
DataVoN, Inc.                                 J. Lee Barton
635 W. Campbell Road, Suite 130               196 North Forest Avenue
Richardson, Texas 75080                       Hartwell, Georgia 30643

Principal Amount:                             $2,000,000.00

Interest Rate:                                10% on all unpaid principal.

STATE OF TEXAS
COUNTY OF DALLAS

FOR VALUE RECEIVED, the undersigned DataVon, Inc., a Texas Corporation,
(hereinafter referred to as Maker) promises to pay to the order of J. Lee
Barton, an individual resident of the State of Georgia (hereinafter referred to
as Holder), in lawful money of the United States of America, the principal
amount of Two Million and 00/100 Dollars ($2,000,000.00), or so much as may be
outstanding, together with interest on the unpaid outstanding principal balance
of each advance. Interest shall be calculated from the date of each advance
until repayment of each advance or maturity, whichever occurs first.

Interest Rate:

Interest shall accrue on the unpaid balance of the principal at the rate of ten
percent (10%) per annum on all unpaid principal prior to maturity.

Payment:

Maker will pay this loan in two payments of all outstanding principal plus all
accrued unpaid interest. The first such payment shall be made 180 days after the
Loan Date described above. The second such payment shall be made 180 days after
the Subsequent Borrowing, as defined below (collectively, the "Maturity Dates").

Prepayment:

<PAGE>

Maker shall have the right to prepay the principal in whole or in part on each
date when an installment is due as provided above, and interest shall
immediately cease to accrue, as of the date of payment, on any amount of
principal that is prepaid. Prepayments shall be applied first to accrued but
unpaid interest and then to the payment of installments next due under this
paragraph.

Security:

The obligations hereunder are secured pursuant to a Security Agreement (the
"Security Agreement") executed by the Maker and the Holder contemporanteously
herewith.

Post Maturity Rate:

The post maturity rate on this Note is the maximum rate allowed by applicable
law. Maker will pay interest at the post maturity rate on all sums due after the
Maturity Dates.

Default:

On the occurrence of a default under this Note as defined below, Holder may, at
Holder's election, by written notice to Maker at the address stated above
(unless changed by written notice to Holder), accelerate the maturity date by
declaring the entire unpaid balance of principal and any unpaid interest to be
immediately due and payable.

Waivers:

Maker, every surety, and every endorser of this Note severally waive demand,
presentment, notice of dishonor, diligence in collecting, grace, and notice of
protest, and agree to all renewals, extensions, and partial payments both before
and after maturity without prejudice to Holder.

Attorney's Fees:

If this Note is not paid at maturity and is placed in the hands of an attorney
for collection, or if it is collected through a court of bankruptcy, probate, or
other court after maturity, then Holder shall be entitled to reasonable
attorney's fees for collection.

Usury Exclusion:

All agreements between Maker and Holder are expressly limited so that in no
contingency or event shall the amount paid, or agreed to be paid, to Holder for
the use, forbearance, or

<PAGE>

detention of the money to be loaned under this Note exceed the maximum amount
permissible under applicable law. If, from any circumstances whatsoever,
fulfillment of any provision of this Note at the time the performance is due
would exceed the usury limit prescribed by law, then the obligation to be
fulfilled shall be reduced to that limit. If from any circumstances Holder shall
receive as interest an amount that would exceed the highest lawful rate, the
amount that would be excessive interest shall be applied to the reduction of the
principal amount owing under this Note, or shall be refunded, but shall not be
applied to payment of interest. Without limiting the foregoing, all calculations
of the rate of interest taken, reserved, contracted for, charged, received or
provided for under this Note or the Security Agreement which are made for the
purpose of determining whether the interest rate exceeds the maximum rate under
applicable law shall be made, to the extent allowed by law, by amortizing,
prorating, allocating and spreading in equal parts during the period of the full
stated term of the loan evidenced hereby, all interest at any time taken,
reserved, contracted for, charged, received or provided for under this Note or
the Security Agreement.

Line of Credit:

This Note evidences a line of credit under which Maker can request a maximum of
two advances. Advances under this Note may be requested only in writing by Maker
or as provided in this  paragraph and only in amounts equal to $1,000,000. All
communications, instructions, or directions by telephone or otherwise to Holder
are to be directed to Holder's office shown above. The following party or
parties are authorized as provided in this paragraph to request advances under
the line of credit until Holder receives from Maker at Holder's address shown
above written notice of revocation of their authority: Chief Financial Officer
of Maker or Chief Executive Officer of Maker. Maker agrees to be liable for all
sums either: (a) advanced in accordance with the instruction of an authorized
person or (b) credited to any of Makers accounts with Holder. The unpaid
principal balance owing on this Note at any time may be evidenced by
endorsements on this Note or by Holder's internal records, including daily
computer print-outs. Holder will have no obligation to advance funds under this
Note if: (a) Maker or any guarantor is in default under the terms of this Note
or any agreement that Maker has with Holder, including any agreement made in
connection with the signing of this Note; (b) Maker ceases doing business or is
insolvent. This line of credit shall not be subject to Chapter 346 of the Texas
Finance Code. Unless otherwise agreed to by Holder in writing, no advances
hereunder may be requested more than 180 days after the Loan Date and no advance
("Subsequent Borrowing"), other than the advance made on the Loan Date, may be
requested unless Maker has at least $2,000,000 in Eligible Accounts Receivable,
as that term is defined in the Security Agreement executed by Maker and Holder
contemporaneously herewith.

<PAGE>

Obligation to Advance

Notwithstanding any other provisions in this Note, but in addition to
limitations on Holder's obligation contained elsewhere herein, Holder shall have
no obligation to advance funds under this line of credit facility if a default,
as defined below, has occurred and is continuing.

Events of Default

Any of the following shall constitute events of default upon expiration of the
Cure Period as provided herein:

          a) Non-payment of any amount due Holder, at such time as payment is
     due;

          b) Commencement of any voluntary bankruptcy, reorganization, and
     insolvency, receivership, or similar proceeding under any federal law
     including the Federal Bankruptcy Code, 11 U.S.C. (S) 101 et seq., or any
     State law, including any assignment for benefit of creditors;

          c) Any involuntary bankruptcy, reorganization, insolvency,
     receivership or similar proceeding is commenced against Maker under any
     Federal or State law, including, without limitation, the Federal Bankruptcy
     Code, 11 U.S.C. (S) 101 et seq., which proceeding is not dismissed within
     ten (10) days;

          d) Maker suffers a lien which attaches to any property constituting
     collateral for this Note under the terms of the Security Agreement;

          e) Entry of a judgment against Maker, which judgment is not either
     satisfied or appealed within sixty (60) days from entry;

          f) Breach of or non-compliance with any warranty, convenant or
     agreement under the Security Agreement; or

          g) Breach of any warranty, covenant or agreement in that Warrant
     Agreement executed by Maker in favor of Holder, and delivered
     simultaneously herewith.

Notice of Default and Right to Cure

Notwithstanding anything to the contrary contained in this Note, in the event
of a default under this Note, Holder shall furnish Maker a notice of said
default (hereinafter "Notice of

<PAGE>

Default") at the address specified for notices as set forth above. Maker shall
have cure periods as follows respecting events of default specified above:

     i)   with respect to payment of principal or interest due under this Note,
     three (3) days;

     ii)  with respect to voluntary commencement of bankruptcy or other
     proceedings as specified in subparagraph b of Defaults, no cure;

     iii) with respect to actions commenced against Maker as specified in
     subparagraph c of Defaults, no cure, other than as specified in
     subparagraph c;

     iv)  with respect to all other defaults, ten (10) days.

PRIOR TO SIGNING THIS NOTE, MAKER READ AND UNDERSTOOD ALL THE PROVISIONS OF THIS
NOTE. MAKER AGREES TO THE TERMS OF THIS NOTE AND ACKNOWLEDGES RECEIPT OF A
COMPLETED COPY OF THE NOTE.

                                        DataVoN, Inc.

                                          /s/ Hugh D. Simpson
                                        ------------------------------------
                                        By: Hugh D. Simpson, CEO and President

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