Auction: 3032 - Stamps and Covers of the World
Lot: 745
50h. slate vertical pair handstamped in blue, the lower stamp with handstamp omitted; some perf. re-enforcement otherwise fine mint. Very rare, only two pairs recorded. B.P.A. Certificate (1956). S.G. M24a, £3000. Photo on front cover
Sold for
£3,800