1877, 40 c. deep lilac, an unused example from the lower left corner of the sheet with Plate Number “154” in sheet margin at left, fresh rich colour, fine unmounted original gum. The only recorded example with Plate Number and one of the great rarities of the first issue. Unique. Cert. Sorani (1997) (Sassone 7 = unpriced with Plate Number)
Provenance: Ghiglione, Genova, 12June 2009, lot 5085
