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

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

United States - Modern Errors and Varieties

Start price: $200

Buyer's premium: 15%

1991, Cardinal, imperforate (simulated perforation) large die proof of 30k multicolored with ”30. USA” in blue, printed on chromaline card, size 151x190mm, formatted like a notepad with black cover and extra page with ”window”, no gum as produced, VF and extremely rare item, which is not listed in Scott, Est. $400-$500, Scott #2480