U.S. Postal Agency, Shanghai, Jan. 24, duplex ties 1898, 5¢ Trans-Miss. on cover to Brooklyn N.Y., endorsed "per Coptic", flap with red "Canadian Pacific Railway, Royal Mail Steamship" imprint, San Francisco (2.15) and Brooklyn (2.20) backstamps. Scott No. 288  Estimate $200 - 300. $0 (Image)