Stamps & Covers Public Auction 364

1917 'Half Penny' opt KGV Admiral 1d rose-carmine, error opt INVERTED, plus variety 'spaced n y'. VF fresh MNH, nice never hinged original gum. SG 280ac cat £1200+ for normal inverted M, should be at least double, £2400+ MNH, plus the variety on non inverted is x3, thus inverted with variety would be £8200+. Only total of 120 printed, so only 18 with variety. Copy of 2007 BPA photo cert of strip of 3 it came from, while diff new certificate can be obtained on request. (P)