Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 3
Lot 1216:
1944, Day of the United Nations, 60k black, red and (blue), top right corner sheet margin block of four with blue color omitted, CTO with full OG (NH), VF and scarce multiple, this error is known only in used condition, Est. $300-$400 , Sc. #921 var
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