1923 5l Alessandro Manzoni with Inverted Crowns Watermark, used (with a genuine, but "posthumous" cancel), also showing part of the sheet margin double-lined letters watermark, very fine. A rare stamp, unlisted in Scott, Sassone and C.E.I., Scott values a regular used stamp at $3,950. Accompanied by a 2012 Sergio Sismondo certificate. Rsv. $200. (Image)

Est $ 300