STC384820 Mamertine Prison, 1833 (etching with brown wash) by Tofanelli, Agostino (1770-1834); Private Collection; (add.info.: Prison Mamertine; Engraved by Pietro Fontana (1762-1837); from \'Recueil des vues au bister dessinees et lavees par Callimachus, Souvenirs d\'antiquites et curiosites de Rome et des environs, Deblayements et reparations du Pape Pie VII\'; Originally a cistern (built 6thc BC) the Tullianum was used as a dungeon in Roman times; In Christian tradition St. Peter and St, Paul were imprisoned here; Later consecrated as San Pietro in Carcere;); The Stapleton Collection; Italian, out of copyright.