unused 1937-41 surcharges on Sun Yat-sen (2nd. and 3rd. issues) comprising 1937-38 1c. on 4c., 10c. on 25c., 1940 4c. on 5c., 1940 Provincial Surcharges 3c. on 5c., 1941 7c. on 8c.; many in multiples or imprints blocks and showing numerous surcharge varieties. Cat. #600+. (685)