U.S. Postal Agency, Shanghai, Dec 1 '94, duplex ties 1890, 5¢ chocolate on cover with handstamped address to Portland Me., reverse with clear strike of blue "Shanghai Local Post Nov 21" along with San Francisco (12.22) and Portland (12.28) cds; light aging and reduced slightly at right, F.-V.F. Scott No. 223  Estimate $100 - 150. $0 (Image)