tied by several strikes of "U.S. Postal Agency, Shanghai, Feb. 11 6PM 01" duplex on registered cover addressed to Springfield, Massachusetts, Foochow 6c Red also tied by duplex, "Foochow 23 Jan 01" datestamp alongside, Shanghai registry label and "R" handstamp, backstamped San Francisco February 26, accompanied by original registered receipt from Chinese Imperial Post, very fine and rare despite its philatelic origin

Provenance: Drucker Family (R.A. Siegel Sale 855, 2003)