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

Thursday, March 20, 2025 at 3:00 PM UTC

Worldwide Air Post Stamps and Postal History - United States

Start price: $75

Buyer's premium: 15%

1978-80, Wright Brothers 31c, two blocks of four, each one is containing two vertical se-tenant pairs, first one has all offset colors strongly shifted, the other one with all offset colors almost missing, both with full OG, NH, VF, Est. $150-$180, Scott #C92 var