Offices in China, 1919, 18¢ on 9¢ salmon red, right margin plate "6918" block of 6, o.g., hinge remnants, strong bold color, F.-V.F. Scott No. K9  $700. $0 (Image)

Offices in China, 1919, 18¢ on 9¢ salmon red, top margin plate "6930" block of 6, o.g., never hinged (small gum skip), strong bright color, about Fine. Scott No. K9  $1,200. $0 (Image)

Offices in China, 1919, 18¢ on 9¢ salmon red, left and bottom margin plate blocks of 6, disturbed o.g., strong colors, small tears affecting one stamp, otherwise Fine. Scott No. K9  $1,400. $0 (Image)