1918
used -- 3ca. interpanneau irregular block of nine on small piece, 3ca. vertical strip of five (defect at right), and 5ca. vertical strip of three + pair + single with 3ca. on piece, all cancelled by "HO OF CUSTOMS/SEOUL" c.d.s. in violet, the first and last pieces show six complete strikes.

细节
used -- 3ca. interpanneau irregular block of nine on small piece, 3ca. vertical strip of five (defect at right), and 5ca. vertical strip of three + pair + single with 3ca. on piece, all cancelled by "HO OF CUSTOMS/SEOUL" c.d.s. in violet, the first and last pieces show six complete strikes.