United States 1937 20¢ Trans-Pacific Airmail Issue, Scott C21, Mint Plate Block of Six, Original Gum, Never Hinged, Centered F-VF, 2024 Scott Catalog Value $85.00
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Typical short gumming along the top edge of the top row of stamps, otherwise an Attractive, Sound Plate Block!
American Philatelic Society Member #178998. Ebay seller since 1996. Thank you!