Giambattista Piranesi (1720-1778 )Veduta della Basilica di Sta Maria Maggiore... 1749. Etching and chisel. 550 x 400. Hind 9. Nice proof on vergé, from the 1st state (out of 6), before the address, carefully washed. Normal median vertical fold, consolidated on the reverse, with traces of rubbing on the front. Small thinning, some tears and minor accidents at the edges of the sheet. All margins.