Exhibit 4.1 State of Delaware NUMBER SHARES A-0 [PICTURE] CBRE Holding, Inc. Class A Common Stock (par value $.01 per share) This Certifies that SPECIMEN is the owner of -------------------------- ______________________________________________fully paid and non-assessable Shares of the above Corporation transferable only on the books of the Corporation by the holder hereof in person or by duly authorized Attorney upon surrender of this Certificate properly endorsed. In Witness Whereof, the said Corporation has caused this Certificate to be signed by its authorized officers and to be sealed with the Seal of the Corporation. Dated________________________ ____________________ __________________ Secretary President THE SECURITIES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO A SUBSCRIPTION AGREEMENT BETWEEN CBRE HOLDING, INC. AND THE PURCHASER (AS DEFINED IN THE SUBSCRIPTION AGREEMENT), A COPY OF WHICH IS ON FILE WITH THE SECRETARY OF THE COMPANY. NO TRANSFER, SALE, ASSIGNMENT, PLEDGE, HYPOTHECATION OR OTHER DISPOSITION OF THE SECURITIES REPRESENTED BY THIS CERTIFICATE MAY BE MADE EXCEPT IN ACCORDANCE WITH THE PROVISIONS OF SUCH SUBSCRIPTION AGREEMENT. THE HOLDER OF THIS CERTIFICATE, BY ACCEPTANCE OF THIS CERTIFICATE, AGREES TO BE BOUND BY ALL OF THE PROVISIONS OF SUCH SUBSCRIPTION AGREEMENT, INCLUDING RESTRICTIONS RELATING TO TRANSFER OF THE SECURITIES. 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. Additional abbreviations may also be used though not in the list.