According to Cover Up the papal coat of arms, under a large cartouche garlanded with a dedication to Pope Clement XIII

Artist: Giovanni Battista Piranesi
Original name: Secondo frontespizio In alto lo stemma pontificio, sotto, un grande cartiglio inghirlandato con la dedica a Clemente XIII
Style: Neoclassicism
Genre: cityscape
Date: 1762
Copyright: Public domain