Offices in China, 1919, 20¢ on 10¢ orange yellow, top margin plate block of 6 with plate number 8436, o.g., never hinged (couple tiny natural gum skips), bottom left stamp with one perf disk indentation, beautifully centered with bright fresh color, Extremely Fine and choice, an outstanding plate block. Scott No. K10  $1,300. $0 (Image)

Offices in China, 1919, 20¢ on 10¢ orange yellow, bottom margin plate block of 6 with plate number 13404, o.g., never hinged, natural plate smear at left, deep color, Very Fine and choice. Scott No. K10  $1,300. $0 (Image)

Offices in China, 1919, 20¢ on 10¢ orange yellow, right margin plate block of 6 with plate number 8436, o.g., small h.r. on top pair, center pair l.h. and bottom n.h., bright fresh color, usual staple holes in selvage, well centered & attractive, Very Fine. Scott No. K10  $725. $0 (Image)

Offices in China, 1919, 20¢ on 10¢ orange yellow, left margin plate block of 6 with plate number 8437, o.g., h.r. at top & bottom, center pair n.h., bright color, usual staple holes, F.-V.F. Scott No. K10  $725. $0 (Image)