Document:

EXHIBIT 4.1

NUMBER___                                                       UNITS

                            FROST CAPITAL GROUP, INC.

SEE REVERSE FOR                                          CUSIP_________
CERTAIN DEFINITIONS

UNITS CONSISTING OF ONE SHARE OF COMMON STOCK AND ONE CLASS A REDEEMABLE WARRANT

This certifies that ______________________________ is the owner of ____________
Units. Each Unit ("Unit") consists of one (1) share of common stock, par value
$0.0001 per share ("Common Stock"), of Frost Capital Group, Inc., Delaware
corporation (the "Company"), and one (1) Class A Redeemable Warrant (the "Class
A Warrants") to purchase at an exercise price equal to $5.25 (subject to
adjustment) one (1) share of Common Stock and one (1) Class B Redeemable Warrant
until 5:00 p.m., New York City Time, on _________, 2007 (the "Expiration Date").
The Common Stock and Class A Warrants comprising the Units represented by this
certificate are not transferable separately until ________, 2001, unless GBI
Capital Partners Inc. ("GBI") informs the Company of GBI's decision to allow
earlier separate trading; provided, that in no event can the Common Stock and
Class A Warrants be traded separately until the Company files with the
Securities and Exchange Commission an audited balance sheet reflecting the
Company's receipt of proceeds from its initial public offering of the Units. The
terms of the Class A Warrants are governed by a Warrant Agreement between the
Company and American Stock Transfer & Trust Company, as Warrant Agent (the
"Warrant Agent"), and the Class A Warrants are subject to the terms and
conditions contained therein, all of which terms and conditions the holder of
this certificate consents to by acceptance hereof. Copies of the Warrant
Agreement are on file at the office of the Warrant Agent at 40 Wall Street, New
York, New York 10005, and are available to any Warrant holder on written request
and without cost. The Class A Warrants shall be void unless exercised before
5:00 p.m., New York City time, on the Expiration Date.

Dated:      FROST CAPITAL GROUP, INC.          COUNTERSIGNED:

__________                                     AMERICAN STOCK TRANSFER
                                               & TRUST COMPANY, Transfer Agent

            By:                                By:
               ------------------------------     ------------------------------
               Name:                              Name:
                    -------------------------          -------------------------
               Title:                             Title:
                     ------------------------           ------------------------

                            FROST CAPITAL GROUP, INC.
                                    CORPORATE
                                      SEAL
                                      2001
                                    DELAWARE
                                        *

<PAGE>

                            FROST CAPITAL GROUP, INC.

         The Corporation will furnish without charge to each stockholder who so
requests, a statement of the powers, designations, preferences and relative,
participating, optional, or other special rights of each class of stock or
series thereof and the qualifications, limitations or restrictions of such
preferences and/or rights.

         The following abbreviations, when used in the inscription on the face
of this certificate, shall be construed as though they were written out in full
according to applicable laws or regulations:

TEN COM - as tenants in common          UNIF GIFT MIN ACT - ____ Custodian _____
TEN ENT - as tenants by the entireties                     (Cust)        (Minor)
JT TEN  - as joint tenants with right of           under Uniform Gifts to Minors
          survivorship and not as tenants                     Act ______________
          in common                                                  (State)

         Additional abbreviations may also be used though not in the above list.

         For value received, ___________________ hereby sells, assigns and
transfers unto

                     PLEASE INSERT SOCIAL SECURITY OR OTHER
                         IDENTIFYING NUMBER OF ASSIGNEE

________________________________________________________________________________
(PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING ZIP CODE, OF ASSIGNEE)
________________________________________________________________________________
________________________________________________________________________________
________________________________________________________________________________
Units represented by the within Certificate; and do hereby irrevocably
constitute and appoint
________________________________________________________________________________
____________Attorney to transfer the said Units on the books of the within named
Corporation with full power of substitution in the premises.

Dated ____________________

                  ______________________________________________________________
         NOTICE:  THE SIGNATURE TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME
                  AS WRITTEN UPON THE FACE OF THE CERTIFICATE IN EVERY
                  PARTICULAR, WITHOUT ALTERATION OR ENLARGEMENT OR ANY CHANGE
                  WHATEVER.

                                       2EXHIBIT 4.2

NUMBER __                                                 SHARES - COMMON STOCK
                                                          CUSIP____________

                                                          SEE REVERSE FOR
                                                          DEFINITIONS

                              CERTIFICATE OF STOCK
                            FROST CAPITAL GROUP, INC.
             (Incorporated under the laws of the State of Delaware)

         This certifies that __________________is the owner of ________ fully
paid and non-assessable shares of common stock, par value $.0001 per share, of
Frost Capital Group, Inc. (hereinafter called the "Corporation"), transferable
upon the books of the Corporation by the holder hereof in person or by duly
authorized attorney upon surrender of this certificate properly endorsed. This
certificate and the shares represented hereby are issued under and shall be
subject to all the provisions of the Certificate of Incorporation and By-Laws of
the Corporation (copies of which are on file at the office of the Transfer Agent
of the Corporation), to all of which the holder by acceptance hereof assents.

         This certificate is not valid unless countersigned by the Transfer
Agent.

         Witness the facsimile seal of the Corporation and the facsimile
signatures of its duly authorized officers.

Dated:      FROST CAPITAL GROUP, INC.          COUNTERSIGNED:

__________                                     AMERICAN STOCK TRANSFER
                                               & TRUST COMPANY, as Warrant Agent

            By:                                By:
               ------------------------------     ------------------------------
               Name:                              Name:
                    -------------------------          -------------------------
               Title:                             Title:
                     ------------------------           ------------------------

                            FROST CAPITAL GROUP, INC.
                                    CORPORATE
                                      SEAL
                                      2001
                                    DELAWARE
                                        *

<PAGE>

                            FROST CAPITAL GROUP, INC.

         The Corporation will furnish without charge to each stockholder who so
requests, a statement of the powers, designations, preferences and relative,
participating, optional, or other special rights or each class of stock or
series thereof and the qualifications, limitations or restrictions of such
preferences and/or rights.

         The following abbreviations, when used in the inscription on the face
of this certificate, shall be construed as though they were written out in full
according to applicable laws or regulations:

TEN COM - as tenants in common          UNIF GIFT MIN ACT - ____ Custodian _____
TEN ENT - as tenants by the entireties                     (Cust)        (Minor)
JT TEN  - as joint tenants with right of           under Uniform Gifts to Minors
          survivorship and not as tenants          Act ______________
          in common                                       (State)

         Additional abbreviations may also be used though not in the above list.

         For value received, ___________________ hereby sells, assigns and
         transfers unto
                     PLEASE INSERT SOCIAL SECURITY OR OTHER
                         IDENTIFYING NUMBER OF ASSIGNEE

________________________________________________________________________________

 (PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING ZIP CODE, OF ASSIGNEE)
________________________________________________________________________________

__________________________________________________________________________
shares of the capital stock represented by the within Certificate; and do hereby
irrevocably constitute and appoint _____________________________________________
Attorney to transfer the said stock on the books of the within named Corporation
with full power of substitution in the premises.

Dated ____________________

         _______________________________________________________________________
         NOTICE:  THE SIGNATURE TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME
                  AS WRITTEN UPON THE FACE OF THE CERTIFICATE IN EVERY
                  PARTICULAR, WITHOUT ALTERATION OR ENLARGEMENT OR ANY CHANGE
                  WHATEVER.

                                       2

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