1919 Post Offices in China (Shanghai)
18¢ on 9¢ - Salmon red
Without wmk. - Perf. 11 - Scott #K9 - 1919
20¢ on 10¢ - Orange
yellow
Without wmk. - Perf. 11 - Scott #K10 - 1919
24¢ on 12¢ - Claret brown
Without wmk. - Perf. 11 - Scott #K11 - 1919
30¢ on 15¢ - Gray
Without wmk. - Perf. 11 - Scott #K12 - 1919
40¢ on 20¢ - Deep
ultramarine
Without wmk. - Perf. 11 - Scott #K13 - 1919
60¢ on 30¢ - Orange red
Without wmk. - Perf. 11 - Scott #K14 - 1919
$1 on 50¢ - Light violet
Without wmk. - Perf. 11 - Scott #K15 - 1919
$2 on $1 - Violet brown
Without wmk. - Perf. 11 - Scott #K16 - 1919