Frontispiece with a dedication to Gustav III of Sweden (1746-1792), IV state, plate I, from a set of 77 plates bound in a volume, <i>G. Piranesi, Le Antichità Romane, vol. I</i>, etching by Giovanni Battista Piranesi, Rome, inscription engraved by Francesco Piranesi, Rome,1784, published by Tessier, Paris, 1803-1807