Home / Stamps / THEMATICS / PEOPLE / EXPLORERS / USA – 1983 ‘AMERICAN INVENTORS’ Block of 4 MNH [E3607] USA – 1983 ‘AMERICAN INVENTORS’ Block of 4 MNH [E3607]Description SG 2048-2051 MNH – Fresh Mint Never Hinged Price(AUST) $4.00 1 in stock Buy with – OR – Add to cart SKU: E3607 Categories: EXPLORERS, PEOPLE, Stamps, THEMATICS, USA, WORLD