Giovanni Battista Piranesi (1720-1778, ''Avanzo di un pilastro con vari...'', depiction of a pilaster in relief, copperplate engraving with two detail depictions and written border, tear at lower margin, stained and browned, enclosed depiction of a marble trophy from the Vatican museums, copperplate engraving by Cavaliere Piranesi, each mounted behind passepartout, to 65 x 41 cm, behind pp to 97 x 76 cm