Speculum Romanae Magnificentiae: Two Dogs. Artist: Sebastiano di Re (Italian, active Rome, 1557-63). Dimensions: sheet: 13 x 19 7/16 in. (33 x 49.4 cm) mount: 16 7/8 x 22 3/16 in. (42.8 x 56.3 cm). Publisher: Pietro Paolo Palumbo (Italian, active Rom