Giovanni Battista Piranesi (Italian 1720-1778) ORNAMENTED CAPITAL LETTERS: LETTER ''D'' DECORATED WITH ROMULUS AND REMUS, LETTER ''V'' WITH POPES MITRE AND KEYS, LETTER ''O'' DECORATED WITH MAPS AND CHARTS one signed in the plate etchings 8 x 10cms; 3 1/8 x 3 7/8in. 8 x 10cms; 3 1/8 x 3 7/8in. 9.8 x 14.7cms; 3 3/4 x 5 7/8in., unframed. (3)