MONTGOLFIERE - BALLON - "Entrée de Mr BLANCHARD et du Chevalier LEPINARD, cinq jours après leurs Ascension aérostatique dans la ville de LILLE (59), le 26 aoûts 1785". 18th century. Etching and burin engraving by Isidore HELMAN (1743-c.1806), after the painting by Louis Joseph WATTEAU (1731-1798). Proof with letter, on doubled wove paper. Ref: De Vinck, n°1028. Sold in Lille at L. Watteau's and at the Author's in Paris. Margins. 37.8 x 53.7 cm. Condition B (a few stains in the lightly dusted margins, rare spotting in the sky).