TK Plate 1B 1d. black, Double letter 'T' and distinctive Beaconsfield 'solid-centre' Maltese Cross, S.G.AS5f,

used on a wrapper from Beaconsfield to London 22 July 1840, close to large margins, tied by a red Maltese Cross cancellation, Beaconsfield date stamp of despatch on the reverse and London code 'D' arrival the following day. B.P.A. Certificate 1994. (S.G unpriced)

One of three examples recorded by Professor S. David Rockoff and Mike Jackson in 'Encyclopaedia of the Maltese Cross Cancellations of Great Britain and Ireland', Page 44. It is thought that these phenomena came about with foreign debris accumulating in the central recess of the canceller

PROVENANCE
Shreves Philatelic Galleries 23 September 1995, The 'Robert J. Cooley' Collection, Lot 204
The Pickering Collection