Corinphila Auction 284-290 Day 1

Provisional Surcharges 1886 (Jan): "½ PENNY" on 6 d. stone, an unused vertical pair of good colour, a trifle soiled, marginal from left of sheet, lower stamp with variety "Surcharge Inverted", large part slightly disturbed og. Superb and extremely rare, as far as we are aware, the sole marginal example recorded of this variety. Signed Herbert Bloch. Cert. BPA (2020) Gi = £ 3'250+.