381 CSS 467 1939 (Dec.) and later, Dah Tung Dr. SYS Line perf. 14, 5c. complete 4x5 transfer block of 20 stamps. (Split perfs at upper left between columns 1 and 2 and at right between rows 2 and 3, hinged

381 CSS 467 1939 (Dec.) and later, Dah Tung Dr. SYS Line perf. 14, 5c. complete 4x5 transfer block of 20 stamps. (Split perfs at upper left between columns 1 and 2 and at right between rows 2 and 3, hinged