1 EXHIBIT 4.1 COMMON STOCK [LOGO] COMMON STOCK [SYMBOL] [SYMBOL] SPECTRX, INC. SEE REVERSE FOR CERTAIN DEFINITIONS INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE CUSIP 847635 10 9 This Certifies that is the owner of FULLY PAID AND NON-ASSESSABLE SHARES OF THE COMMON STOCK, $.001 PAR VALUE, OF SPECTRX, INC., INC. transferable on the Books of the Corporation by the holder hereof in person or by duly authorized attorney upon the surrender of this Certificate properly endorsed. This certificate is not valid unless countersigned and registered by the Transfer Agent and Registrar. IN WITNESS WHEREOF, the Corporation has caused its corporate seal to be hereto affixed and the Certificate to be signed by its duly authorized officers of the Corporation. Dated: /s/ Mark A. Samuels Countersigned and Registered: - ----------------------------------------- PRESIDENT AND CHIEF EXECUTIVE OFFICER CORPORATE SUNTRUST BANK, ATLANTA SEAL Transfer Agent and Registrar /s/ Thomas H. Muller, Jr. By: - ----------------------------------------- ----------------------------- SECRETARY Authorized Signature 2 The Corporation is authorized to issue two classes of stock, Common Stock and Preferred Stock. The Board of Directors of the Corporation has the authority to fix the number of shares and the designation of any series of Preferred Stock and to determine or alter the rights, preferences, privileges and restrictions granted to or imposed upon any unissued series of Preferred Stock. A statement of the rights, preferences, privileges and restrictions granted to or imposed upon the respective classes or series of shares and upon the holders thereof as established, from time to time, by the Certificate of Incororation of the Corporation and by any certificate of determination, the number of shares constituting each class and series, and the designations thereof, may be obtained by the holder hereof upon request and without charge from the Corporation at its principal office. 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 _________________Custodian_____________________ ACT ________ 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) UNIF TRF MIN ______________________ Custodian (until ACT age_______) (Cust) __________________________under Uniform Transfers (Minor) to Minors Act___________________________ (State) Additional abbreviations may also be used though not in the above list. FOR VALUE RECEIVED______________________hereby sell, assign and transfer unto PLEASE INSERT SOCIAL SECURITY OR OTHER IDENTIFYING NUMBER OF ASSIGNEE - ------------------------------ - ------------------------------ ________________________________________________________________________________ (PLEASE PRINT OR TYPE NAME AND ADDRESS, INCLUDING ZIP CODE, OF ASSIGNEE) ________________________________________________________________________________ ________________________________________________________________________________ _________________________________________________________________________ Shares of the common 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_______________________________ X ________________________________________________ X ________________________________________________ THE SIGNATURE(S) TO THIS ASSIGNMENT MUST NOTICE: CORRESPOND WITH THE NAME(S) AS WRITTEN UPON THE FACE OF THE CERTIFICATE IN EVERY PARTICULAR, WITHOUT ALTERATION OR ENLARGEMENT OR ANY CHANGE WHATEVER. Signature(s) Guaranteed:_______________________________________ THE SIGNATURE(S) SHOULD BE GUARANTEED BY AN ELIGIBLE GUARANTOR 3 INSTITUTION (BANKS, STOCKBROKERS SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM), PURSUANT TO S.E.C. RULE 17AD-15.