Lot · 1941-Now: Unused
2007 MNH 1982 20c Knoxville World's Fair Tennessee Synthetic Fuels chemistry
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Sat · Jul 18, 2026
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ZIP 704**
80s_philately
129 ratings · 100.00% positive
Description
From the sellerKnoxville World’s Fair. 20¢ Synthetic Fuels. City: Knoxville, TN. The 1982 World’s Fair was held in Knoxville, Tennessee. Issue Date: April 29, 1982. Exhibitors were urged to explore new technologies to conserve energy, to harness long-lasting and renewable sources, and to carry on the search for new sources of energy.
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