Document:

<PAGE>   1
                                                                    EXHIBIT 4.13

THE WARRANTS REPRESENTED BY THIS CERTIFICATE AND THE OTHER SECURITIES ISSUABLE
UPON EXERCISE HEREOF MAY NOT BE OFFERED OR SOLD EXCEPT PURSUANT TO (i) AN
EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933, AS AMENDED
(THE "ACT"), (ii) TO THE EXTENT APPLICABLE, RULE 144 UNDER SUCH ACT (OR ANY
SIMILAR RULE UNDER SUCH ACT RELATING TO THE DISPOSITION OF SECURITIES), OR (iii)
AN OPINION OF COUNSEL TO THE HOLDER, IF SUCH OPINION SHALL BE REASONABLY
SATISFACTORY TO COUNSEL FOR THE ISSUER, THAT AN EXEMPTION FROM REGISTRATION
UNDER SUCH ACT IS AVAILABLE.

THE TRANSFER OR EXCHANGE OF THE WARRANTS REPRESENTED BY THIS CERTIFICATE IS
RESTRICTED IN ACCORDANCE WITH THE WARRANT AGREEMENT REFERRED TO HEREIN.

                            EXERCISABLE ON OR BEFORE
                      5:30 P.M. EASTERN TIME, June 29, 2005

<TABLE>
<S>                                                                            <C>
NO. W-01                                                                        100,000   Warrants
</TABLE>

                               WARRANT CERTIFICATE

         This Warrant Certificate certifies that X Securities, Ltd., or
registered assigns (the "Holder"), is the registered holder of 100,000 Warrants
to purchase initially at any time from June 30, 2000 until 5:30 p.m. New York
time on June 29, 2005 (the "Expiration Date"), up to ( Number of )fully-paid and
non-assessable shares of common stock, $.001 par value ("Common Stock") of
Chromatics Color Sciences International, Inc., a New York corporation (the
"Company"), at the initial exercise price, subject to adjustment in certain
events (the "Exercise Price"), of $6.99 per share of Common Stock upon surrender
of this Warrant Certificate and payment of the applicable Exercise Price at an
office or agency of the Company, but subject to the conditions set forth herein
and in the Warrant Agreement dated as of June 30, 2000 between the Company and
Josephthal & Co. Inc. (the "Warrant Agreement"). Payment of the applicable
Exercise Price shall be made by certified or official bank check in New York
Clearing House funds payable to the order of the Company.

         No Warrant may be exercised after 5:30 p.m., New York time, on the
Expiration Date, at which time all Warrants evidenced hereby, unless exercised
prior thereto, shall thereafter be void.

         The Warrants evidenced by this Warrant Certificate are part of a duly
authorized issue of Warrants issued pursuant to the Warrant Agreement, which
Warrant Agreement is hereby incorporated by reference herein and made a part of
this instrument and is hereby referred to for a description of the rights,
limitation of rights, obligations, duties and immunities thereunder of the
Company and the holders (the words "holders" or "holder" meaning the registered
holders or registered holder) of the Warrants.

         The Warrant Agreement provides that upon the occurrence of certain
events, the then applicable Exercise Price and the type and/or number of the
Company's securities issuable

<PAGE>   2

thereupon may, subject to certain conditions, be adjusted. In such event, the
Company will, at the request of the Holder, issue a new Warrant Certificate
evidencing the adjustment in the then applicable Exercise Price and the number
and/or type of securities issuable upon the exercise of the Warrants; provided,
however, that the failure of the Company to issue such new Warrant Certificates
shall not in any way change, alter, or otherwise impair, the rights of the
Holder as set forth in the Warrant Agreement.

         Upon due presentment for registration of transfer of this Warrant
Certificate at an office or agency of the Company in accordance with the
provisions of the Warrant Agreement, a new Warrant Certificate or Warrant
Certificates of like tenor and evidencing in the aggregate a like number of
Warrants shall be issued to the transferee(s) in exchange for this Warrant
Certificate, subject to the limitations provided herein and in the Warrant
Agreement, without any charge except for any tax or other governmental charge
imposed in connection with such transfer.

         Upon the exercise of less than all of the Warrants evidenced by this
Warrant Certificate, the Company shall forthwith issue to the holder hereof a
new Warrant Certificate representing such number of unexercised Warrants.

         The Company may deem and treat the Holder hereof as the absolute owner
of this Warrant Certificate (notwithstanding any notation of ownership or other
writing hereon made by anyone), for the purpose of any exercise hereof, and of
any distribution to the holder(s) hereof, and for all other purposes, and the
Company shall not be affected by any notice to the contrary.

         All terms used in this Warrant Certificate which are defined in the
Warrant Agreement shall have the meanings assigned to them in the Warrant
Agreement.

<PAGE>   3

         IN WITNESS WHEREOF, the Company has caused this Warrant Certificate to
be duly executed under its corporate seal.

Dated as of           , 2000

                                   Chromatics Color Sciences International, Inc.

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

Attest:

-------------------------------
              , Secretary<PAGE>   1
                                                                    EXHIBIT 4.14

THE WARRANTS REPRESENTED BY THIS CERTIFICATE AND THE OTHER SECURITIES ISSUABLE
UPON EXERCISE HEREOF MAY NOT BE OFFERED OR SOLD EXCEPT PURSUANT TO (i) AN
EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933, AS AMENDED
(THE "ACT"), (ii) TO THE EXTENT APPLICABLE, RULE 144 UNDER SUCH ACT (OR ANY
SIMILAR RULE UNDER SUCH ACT RELATING TO THE DISPOSITION OF SECURITIES), OR (iii)
AN OPINION OF COUNSEL TO THE HOLDER, IF SUCH OPINION SHALL BE REASONABLY
SATISFACTORY TO COUNSEL FOR THE ISSUER, THAT AN EXEMPTION FROM REGISTRATION
UNDER SUCH ACT IS AVAILABLE.

THE TRANSFER OR EXCHANGE OF THE WARRANTS REPRESENTED BY THIS CERTIFICATE IS
RESTRICTED IN ACCORDANCE WITH THE WARRANT AGREEMENT REFERRED TO HEREIN.

                            EXERCISABLE ON OR BEFORE
                      5:30 P.M. EASTERN TIME, June 29, 2005

<TABLE>
<S>                                                                            <C>
NO. W-02                                                                        57,500   Warrants
</TABLE>

                               WARRANT CERTIFICATE

         This Warrant Certificate certifies that John O'Brien, or registered
assigns (the "Holder"), is the registered holder of 57,500 Warrants to purchase
initially at any time from June 30, 2000 until 5:30 p.m. New York time on June
29, 2005 (the "Expiration Date"), up to ( Number of )fully-paid and
non-assessable shares of common stock, $.001 par value ("Common Stock") of
Chromatics Color Sciences International, Inc., a New York corporation (the
"Company"), at the initial exercise price, subject to adjustment in certain
events (the "Exercise Price"), of $6.99 per share of Common Stock upon surrender
of this Warrant Certificate and payment of the applicable Exercise Price at an
office or agency of the Company, but subject to the conditions set forth herein
and in the Warrant Agreement dated as of June 30, 2000 between the Company and
Josephthal & Co. Inc. (the "Warrant Agreement"). Payment of the applicable
Exercise Price shall be made by certified or official bank check in New York
Clearing House funds payable to the order of the Company.

         No Warrant may be exercised after 5:30 p.m., New York time, on the
Expiration Date, at which time all Warrants evidenced hereby, unless exercised
prior thereto, shall thereafter be void.

         The Warrants evidenced by this Warrant Certificate are part of a duly
authorized issue of Warrants issued pursuant to the Warrant Agreement, which
Warrant Agreement is hereby incorporated by reference herein and made a part of
this instrument and is hereby referred to for a description of the rights,
limitation of rights, obligations, duties and immunities thereunder of the
Company and the holders (the words "holders" or "holder" meaning the registered
holders or registered holder) of the Warrants.

         The Warrant Agreement provides that upon the occurrence of certain
events, the then applicable Exercise Price and the type and/or number of the
Company's securities issuable
<PAGE>   2

thereupon may, subject to certain conditions, be adjusted. In such event, the
Company will, at the request of the Holder, issue a new Warrant Certificate
evidencing the adjustment in the then applicable Exercise Price and the number
and/or type of securities issuable upon the exercise of the Warrants; provided,
however, that the failure of the Company to issue such new Warrant Certificates
shall not in any way change, alter, or otherwise impair, the rights of the
Holder as set forth in the Warrant Agreement.

         Upon due presentment for registration of transfer of this Warrant
Certificate at an office or agency of the Company in accordance with the
provisions of the Warrant Agreement, a new Warrant Certificate or Warrant
Certificates of like tenor and evidencing in the aggregate a like number of
Warrants shall be issued to the transferee(s) in exchange for this Warrant
Certificate, subject to the limitations provided herein and in the Warrant
Agreement, without any charge except for any tax or other governmental charge
imposed in connection with such transfer.

         Upon the exercise of less than all of the Warrants evidenced by this
Warrant Certificate, the Company shall forthwith issue to the holder hereof a
new Warrant Certificate representing such number of unexercised Warrants.

         The Company may deem and treat the Holder hereof as the absolute owner
of this Warrant Certificate (notwithstanding any notation of ownership or other
writing hereon made by anyone), for the purpose of any exercise hereof, and of
any distribution to the holder(s) hereof, and for all other purposes, and the
Company shall not be affected by any notice to the contrary.

         All terms used in this Warrant Certificate which are defined in the
Warrant Agreement shall have the meanings assigned to them in the Warrant
Agreement.

<PAGE>   3

         IN WITNESS WHEREOF, the Company has caused this Warrant Certificate to
be duly executed under its corporate seal.

Dated as of         , 2000

                                   Chromatics Color Sciences International, Inc.

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

Attest:

-------------------------------
             , Secretary

Source: [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00015-of-00352.parquet"}, [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00015-of-00352.parquet"}]]