History of Aviation, Rare Stamps and Postal History of the World, Part 3

Latvia

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Start price: $100

Buyer's premium:

1919, Liberation of Riga, 5k-35k, two complete sets of three, printed on watermarked Wavy Lines or thin paper, all are in blocks of four, three of which with center line perforation 9½ at the bottom, full OG, NH or LH (top stamps), VF, Est. $150-$200, Sc. #43-45, 49 51