Bronze commemorative medal of the first manned balloon flight in 1783; Obverse: relief profile busts of King Louis XVI and Marie Antoinette, embossed text "LUD XVI D. G'FR ET NAV REX MEAR ANTIAUSTR F. EG"; Reverse: relief of the first manned Montgolfier and Charliere balloons depicted, embossed text "AUDACIA FELIE AERA PERMEARUNT L. E. DARLANDES ET M. PERTIA 1 DEC, J.A.C. CHARLES ET M N. ROBERT ANNO MDCCL....."