Jack S. Kilby - First Day Cover Signed - Document 144882

Imported 11 months ago

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JACK S. KILBY
The inventor of the microchip and pocket calculator signs a First Day Cover honoring Progress in Electronics.
First Day Cover signed: "J S Kilby", 6½x3½. First Day Cover honoring Progress in Electronics, 8-cent stamp affixed, postmarked New



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