tied by "U.S. Postal Agency, Shanghai, Nov. 21 1:30PM 94" duplex to oversized cover to Alameda, California, Chinkiang Local Post 1c Ultramarine tied by "Chinkiang * Postal Service * 5 P.M. 94 19NV" double circle datestamp, additional strike of Chinkiang datestamp on reverse, blue "Shanghai Local Post No 20 94" and December 14 San Francisco and Oakland backstamps, expertly prepared tears affect United States stamp, very fine appearance, a rare early combination of these two stamps
Provenance: Drucker Family (R.A. Siegel Sale 855, 2003)