1973 First Day Cover (FDC) signed by Jack Kilby (integrated circuit inventor) $28.95 USD Sold on: 2013-Sep-06 Marketplace: eBay ![]() 1 Treasure 0 Trash ![]() ![]() I have for sale a pristine 1973 First Day of Issue Cover (FDC) hand-signed in blue ink by Jack S. Kilby (now deceased), inventor of the original integrated circuit, handheld calculator, and many other... ![]() More Relevance Historical Items
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