desc_issuer: China desc_issue: 1939 secret marks desc_denom: $10 desc_wmk: unwmk desc_perf: 14 Used by 1 overprinted stamp: Shantung postage 1941 $10 grn&pur issue=1941d d=Sun Yat-sen (1938) var=secret mark ovpt=Shantung oc=blk on=issuer=China-issue=1939 secret marks-$10-unwmk-perf=14 unwmk perf=14 Not used by any images. Matches 1 type: China postage 12/6/1939 $10 grn&pur issue=1939 secret marks d=Sun Yat-sen (1938) var=secret mark unwmk perf=14 |