1894 (11 Sep) cover franked with 5c red brown (Scott 223), cancelled by duplex and "U.S. Postal Agency Shanghai" cds alongside, sent via San Francisco to New York, with "Shanghai Branch Standard Oil Co. of New York" handstamp at bottom, transit and arrival pmks, part of backflap missing, otherwise fine, signed Herman Toaspern (Image)

Est.US$250

1896 (21 Oct) cover (with fascinating and lengthy, type-written letter of contents), franked with vertical pair of 2c, canceled by duplex and "U.S. Postal Agency Shanghai" (Oct 26) cds alongside, originating from Hankow, bearing oval "Consulate of the United States Hankow" datestamp on back, sent via San Francisco to Croton, Mass., with arrival pmk (Image)

Est.US$250

1902 (12 Mar) cover franked with 5c dark blue (Scott 281), straight edge at right, canceled by duplex and "U.S. Postal Agency Shanghai" cds alongside, sent to San Francisco, with "due 10 cents" handstamp, endorsement indicates that the cover originated from the commander of "U.S.S. Monterey" (Image)

Est.US$250

1919 8c on 4c brown, top margin plate number block of six, n.h., well centered, fresh and v.f., with 2021 PSE certificate, cat. $1150 (Cat No. K4) (Image)

Cat. $1150, Est.US$850

1919 16c on 8c olive bister, n.h., overprint shifted to left and slightly split, perfectly centered, v.f., with 2020 PSAG certificate, (Cat No. K8) (Image)

Est.US$150

1919 40c on 20c deep ultramarine, n.h., perfectly centered, v.f., with 2021 PSAG certificate, graded "95J" (unpriced in SMQ, $1,150 for "95" and $2,750 for "98") (Cat No. K13) (Image)

Est.US$1,500