1 Exhibit 24 POWER OF ATTORNEY The undersigned, a Director of Sotheby's Holdings, Inc., a Michigan corporation (the "Company"), does hereby constitute and appoint Michael L. Ainslie and Kevin A. Bousquette and each of them, with full power of substitution, as his true and lawful attorney and agent to execute in his name and on his behalf, as a Director of the Company, the Company's Registration Statement on Form S-8, and any and all amendments thereto, to be filed with the Securities and Exchange Commission (the "Commission") pursuant to the Securities Act of 1933, as amended (the "Act"), and any and all instruments that such attorneys and agents, or either of them, may deem necessary or advisable to enable the Company to comply with the Act, the rules, regulations, and requirements of the Commission in respect thereof, and the securities or "Blue Sky" laws of any State or other governmental subdivision; and the undersigned does hereby ratify and confirm as his own act and deed all that such attorneys and agents, and each of them, shall do or cause to be done by virtue hereof. Each such attorney or agent shall have, and may exercise, all of the powers hereby conferred. IN WITNESS WHEREOF, the undersigned has hereunto subscribed his signature this 17th day of March, 1994. /S/A. ALFRED TAUBMAN ------------------------- A. Alfred Taubman 2 POWER OF ATTORNEY The undersigned, a Director of Sotheby's Holdings, Inc., a Michigan corporation (the "Company"), does hereby constitute and appoint Michael L. Ainslie and Kevin A. Bousquette and each of them, with full power of substitution, as his true and lawful attorney and agent to execute in his name and on his behalf, as a Director of the Company, the Company's Registration Statement on Form S-8, and any and all amendments thereto, to be filed with the Securities and Exchange Commission (the "Commission") pursuant to the Securities Act of 1933, as amended (the "Act"), and any and all instruments that such attorneys and agents, or either of them, may deem necessary or advisable to enable the Company to comply with the Act, the rules, regulations, and requirements of the Commission in respect thereof, and the securities or "Blue Sky" laws of any State or other governmental subdivision; and the undersigned does hereby ratify and confirm as his own act and deed all that such attorneys and agents, and each of them, shall do or cause to be done by virtue hereof. Each such attorney or agent shall have, and may exercise, all of the powers hereby conferred. IN WITNESS WHEREOF, the undersigned has hereunto subscribed his signature this 17th day of March, 1994. /S/MAX M. FISHER ------------------------ Max M. Fisher 3 POWER OF ATTORNEY The undersigned, a Director of Sotheby's Holdings, Inc., a Michigan corporation (the "Company"), does hereby constitute and appoint Michael L. Ainslie and Kevin A. Bousquette and each of them, with full power of substitution, as his true and lawful attorney and agent to execute in his name and on his behalf, as a Director of the Company, the Company's Registration Statement on Form S-8, and any and all amendments thereto, to be filed with the Securities and Exchange Commission (the "Commission") pursuant to the Securities Act of 1933, as amended (the "Act"), and any and all instruments that such attorneys and agents, or either of them, may deem necessary or advisable to enable the Company to comply with the Act, the rules, regulations, and requirements of the Commission in respect thereof, and the securities or "Blue Sky" laws of any State or other governmental subdivision; and the undersigned does hereby ratify and confirm as his own act and deed all that such attorneys and agents, and each of them, shall do or cause to be done by virtue hereof. Each such attorney or agent shall have, and may exercise, all of the powers hereby conferred. IN WITNESS WHEREOF, the undersigned has hereunto subscribed his signature this 17th day of March, 1994. /S/LESLIE H. WEXNER ------------------------------- Leslie H. Wexner 4 POWER OF ATTORNEY The undersigned, a Director of Sotheby's Holdings, Inc., a Michigan corporation (the "Company"), does hereby constitute and appoint Michael L. Ainslie and Kevin A. Bousquette and each of them, with full power of substitution, as his true and lawful attorney and agent to execute in his name and on his behalf, as a Director of the Company, the Company's Registration Statement on Form S-8, and any and all amendments thereto, to be filed with the Securities and Exchange Commission (the "Commission") pursuant to the Securities Act of 1933, as amended (the "Act"), and any and all instruments that such attorneys and agents, or either of them, may deem necessary or advisable to enable the Company to comply with the Act, the rules, regulations, and requirements of the Commission in respect thereof, and the securities or "Blue Sky" laws of any State or other governmental subdivision; and the undersigned does hereby ratify and confirm as his own act and deed all that such attorneys and agents, and each of them, shall do or cause to be done by virtue hereof. Each such attorney or agent shall have, and may exercise, all of the powers hereby conferred. IN WITNESS WHEREOF, the undersigned has hereunto subscribed his signature this 3rd day of March, 1994. /S/VISCOUNT BLAKENHAM ------------------------------- Viscount Blakenham 5 POWER OF ATTORNEY The undersigned, a Director of Sotheby's Holdings, Inc., a Michigan corporation (the "Company"), does hereby constitute and appoint Michael L. Ainslie and Kevin A. Bousquette and each of them, with full power of substitution, as his true and lawful attorney and agent to execute in his name and on his behalf, as a Director of the Company, the Company's Registration Statement on Form S-8, and any and all amendments thereto, to be filed with the Securities and Exchange Commission (the "Commission") pursuant to the Securities Act of 1933, as amended (the "Act"), and any and all instruments that such attorneys and agents, or either of them, may deem necessary or advisable to enable the Company to comply with the Act, the rules, regulations, and requirements of the Commission in respect thereof, and the securities or "Blue Sky" laws of any State or other governmental subdivision; and the undersigned does hereby ratify and confirm as his own act and deed all that such attorneys and agents, and each of them, shall do or cause to be done by virtue hereof. Each such attorney or agent shall have, and may exercise, all of the powers hereby conferred. IN WITNESS WHEREOF, the undersigned has hereunto subscribed his signature this 17th day of March, 1994. /S/WALTER J. P. CURLEY -------------------------------- Walter J. P. Curley 6 POWER OF ATTORNEY The undersigned, a Director of Sotheby's Holdings, Inc., a Michigan corporation (the "Company"), does hereby constitute and appoint Michael L. Ainslie and Kevin A. Bousquette and each of them, with full power of substitution, as his true and lawful attorney and agent to execute in his name and on his behalf, as a Director of the Company, the Company's Registration Statement on Form S-8, and any and all amendments thereto, to be filed with the Securities and Exchange Commission (the "Commission") pursuant to the Securities Act of 1933, as amended (the "Act"), and any and all instruments that such attorneys and agents, or either of them, may deem necessary or advisable to enable the Company to comply with the Act, the rules, regulations, and requirements of the Commission in respect thereof, and the securities or "Blue Sky" laws of any State or other governmental subdivision; and the undersigned does hereby ratify and confirm as his own act and deed all that such attorneys and agents, and each of them, shall do or cause to be done by virtue hereof. Each such attorney or agent shall have, and may exercise, all of the powers hereby conferred. IN WITNESS WHEREOF, the undersigned has hereunto subscribed his signature this 25th day of March, 1994. /S/THE RT. HON. THE EARL OF GOWRIE ------------------------------------ The Rt. Hon. The Earl of Gowrie 7 POWER OF ATTORNEY The undersigned, a Director of Sotheby's Holdings, Inc., a Michigan corporation (the "Company"), does hereby constitute and appoint Michael L. Ainslie and Kevin A. Bousquette and each of them, with full power of substitution, as his true and lawful attorney and agent to execute in his name and on his behalf, as a Director of the Company, the Company's Registration Statement on Form S-8, and any and all amendments thereto, to be filed with the Securities and Exchange Commission (the "Commission") pursuant to the Securities Act of 1933, as amended (the "Act"), and any and all instruments that such attorneys and agents, or either of them, may deem necessary or advisable to enable the Company to comply with the Act, the rules, regulations, and requirements of the Commission in respect thereof, and the securities or "Blue Sky" laws of any State or other governmental subdivision; and the undersigned does hereby ratify and confirm as his own act and deed all that such attorneys and agents, and each of them, shall do or cause to be done by virtue hereof. Each such attorney or agent shall have, and may exercise, all of the powers hereby conferred. IN WITNESS WHEREOF, the undersigned has hereunto subscribed his signature this 22nd day of February, 1994. /S/R. JULIAN DE LA M. THOMPSON -------------------------------------- R. Julian de la M. Thompson 8 POWER OF ATTORNEY The undersigned, a Director of Sotheby's Holdings, Inc., a Michigan corporation (the "Company"), does hereby constitute and appoint Michael L. Ainslie and Kevin A. Bousquette and each of them, with full power of substitution, as her true and lawful attorney and agent to execute in her name and on her behalf, as a Director of the Company, the Company's Registration Statement on Form S-8, and any and all amendments thereto, to be filed with the Securities and Exchange Commission (the "Commission") pursuant to the Securities Act of 1933, as amended (the "Act"), and any and all instruments that such attorneys and agents, or either of them, may deem necessary or advisable to enable the Company to comply with the Act, the rules, regulations, and requirements of the Commission in respect thereof, and the securities or "Blue Sky" laws of any State or other governmental subdivision; and the undersigned does hereby ratify and confirm as her own act and deed all that such attorneys and agents, and each of them, shall do or cause to be done by virtue hereof. Each such attorney or agent shall have, and may exercise, all of the powers hereby conferred. IN WITNESS WHEREOF, the undersigned has hereunto subscribed her signature this 17th day of March, 1994. /S/DIANA D. BROOKS ------------------------------ Diana D. Brooks 9 POWER OF ATTORNEY The undersigned, a Director of Sotheby's Holdings, Inc., a Michigan corporation (the "Company"), does hereby constitute and appoint Michael L. Ainslie and Kevin A. Bousquette and each of them, with full power of substitution, as his true and lawful attorney and agent to execute in his name and on his behalf, as a Director of the Company, the Company's Registration Statement on Form S-8, and any and all amendments thereto, to be filed with the Securities and Exchange Commission (the "Commission") pursuant to the Securities Act of 1933, as amended (the "Act"), and any and all instruments that such attorneys and agents, or either of them, may deem necessary or advisable to enable the Company to comply with the Act, the rules, regulations, and requirements of the Commission in respect thereof, and the securities or "Blue Sky" laws of any State or other governmental subdivision; and the undersigned does hereby ratify and confirm as his own act and deed all that such attorneys and agents, and each of them, shall do or cause to be done by virtue hereof. Each such attorney or agent shall have, and may exercise, all of the powers hereby conferred. IN WITNESS WHEREOF, the undersigned has hereunto subscribed his signature this 19th day of May, 1994. /S/LORD CAMOYS ---------------------- Lord Camoys