Print, plain. Aerostat le Marseillois. / Sellon del. ; debuigne Scup [ie, sculp]. Etching; image 22.5x16.5cm, platemark 31x20.5cm, on sheet cut to 34x24cm. - Imprint at bottom reads: avec approbation et privilege de l'academie, et permission de messieurs les lieutenans generaux de Police Se vend chez Roullet libraire Sua Le Cowis, a Marseille [printer's mark stamped at end, LHP JRO ..]. Depicts a hot-air balloon ascending from the Roullet Library [May 8, 1784]