1860 (25 Feb) complete FL to Venezia, franked with two copies of 6baj black, yellow green, each with margins all around, canceled by diamond grids, with "Ferrara 25 Feb 1860" departure cds alongside, charged "10", with arrival pmk on back, minor ink erosion along the address portion, v.f. and remarkable letter, signed Diena, Colla, with 1960 and 1993 certificates from each (the latter stating that this is the best of the four known covers), described in Sassone (7, Euro 320,000) (Cat No. 7) (Image)

Est.US$40,000