Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World, Part 1

United States - Modern Errors and Varieties

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Start price: $50

Buyer's premium:

1960, First Automated Post Office, 4c dark blue and carmine, top right corner margin vertical pair, top stamp has carmine missing due to perforation shift, bottom stamp has inscription at the top instead of bottom on common stamps, full original yellow gum, a part of upper right margin was lost, still fine and rare undervalued error, C.v. $250, Est. $100-$150, Scott #1164a