Nova Scotia. 1851-60 6d. yellow-green bisected diagonally and tied to 1860 (26 Jul.) envelope from Digby to Bridgetown by barred oval cancel, reverse of envelope with defective torn flap; a very scarce usage, signed Roumet, Bloch and with Friedl Certificate (1978). S.G. 5a, £3,250 (Image1)