1943, "The Thrift Movement", 8c-$1, two imperforated souvenir sheet of six, one of which has blue three- language overprint "In Commemoration of Exhibition of Russian Philatelic Society in China. 28-2-1943, Shanghai, China", both in flawless condition, no gum as produced, VF, C.v. $870

400.00

1943, "The Thrift Movement", imperforated souvenir sheet of six with inverted blue three-language overprint "In Commemoration of Exhibition of Russian Philatelic Society in China. 28-2-1943, Shanghai, China", black special cancellations in Chinese, perfect quality, no gum as produced, VF and extremely rare, only 18 sheets with inverted overprint were produced, N. Mandrovski certificate