Argentina Airpost: 1930 Zeppelin 1.80p, Overprint in Green, #C29, O.g., small paper adherence on back, fine-very fine, rare item. Signed several times Cat. $600. Estimate $200-250.
Harmer-Schau Auction Galleries, Inc. 1333 North McDowell Blvd., Suite B • Petaluma, California 94954
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