Trans World Airlines silver Proof "Montgolfier Brothers - Manned Flight Milestones" Medal ND (1969) PR62 Ultra Cameo NGC, 38mm. Reeded edge. Celebrating the pioneering achievements of the Montgolfier brothers, who completed the first documented ascent by humans via hot air balloon in 1783. STEPHAN & JOSEPH MONTGOLFIER Jugated busts right // FIRST ASCENT OF MAN 1783 Dirigible above platform. HID09801242017 © 2022 Heritage Auctions | All Rights Reserved

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