Sassone 12Aa, 1855/63 20c Dark ultramarine, Head inverted, single franking on folded letter addressed to Chambery, tied by Torino 3 Otto 58 cds, backstamped Italian transit and Chambery 4 Oct 58 arrival cancels, stamp full to wide margins 3 sides - just in at top, Very Fine, a world-class rarity; signed Colla and with his 2108 certificate (Scott $16,000; Sassone EUR35,000) (Image)

CV. 2,500