Corinphila Auction 284-290 Day 3

1864/79: Error of Colour Swan 2 d. mauve instead of yellow, wmk. Crown CC sideways, perf. 12½, an unused example of good colour, fresh appearance, large part og. A fine example of an exceptionally rare stamp. Cert. BPA (2021) Gi = £ 22'000.rnNote: This stamp was first recorded in the 'Philatelic Record' of March 1879. The error emanated from the Post Office in Albany whose Postmaster had sold a sheet of 60 stamps to Stanley Gibbons in London and apologised for the stamp being in the colour of the 6 d. value.