1949-50, 75th Anniversary of the UPU, complete set of two perforated and two imperforated special souvenir sheets of three or four stamps, full OG, NH, in addition two master die proofs of souvenir sheets in black(produced in very limited quantity), printed on white paper without gum, all are VF, Dallay Blocks 2 and 4, ?1,200 without die proofs, which are not priced
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500.00

1964, President John Kennedy, 50c bright blue and indigo, top sheet margin imperforated copy, specially issued perforated souvenir sheet, as well as imperforated epreuve de luxe sheet, the last one has no gum as produced, others with full OG, NH, VF, Yvert #689, Block 8, ?950

200.00