1873 10c brown, canceled by circle of wedges on small cover to Portsmouth, with "U.S. Postal Agency, Shanghai, Sep 30" circular datestamp alongside, sent via "San Francisco Cal. Oct 30", with double-circle datestamp below, backflap and minor cover mending at top, fine usage from China (Cat No. 161) (Image)

Est.$250

1919 2c-30c surcharges, used on pieces, fine-v.f., cat. $1845 (Cat No. K1-12) (Image)

Cat. $1845, Est.$500

1919-22 Shanghai surcharges, 2c, 4c, 6c, 16c, 24c, 30c and 4c Plate Blocks of six, seven different, side or bottom, l.h. or n.h., 30c on 15c with dried gum, very good to fine, cat. $6275 (Cat No. K1/18) (Image)

Cat. $6275, Est.$750

1919 8c on 4c brown, h.r., well centered with jumbo margins, with 2005 PSE certificate graded "XF-Sup 95J" (SMQ $210) (Cat No. K4) (Image)

Est.$100

1922 2c on 1c green, n.h., well centered, v.f., with photocopy of a 2019 PFC for a block of six from which this came, cat. $225 (Cat No. K17) (Image)

Cat. $225, Est.$200