Great Britain 1841 1d red-brown Plate 34, lettered PI, SG8.
A fine and scarce stamp with four clear to good margins, lightly cancelled by part 'CHANNEL ISLANDS' distinctive Maltese Cross in black, a very rare cancellation seldom seen, let alone on such a fine quality example.
GB Specialised Catalogue Number:B1 tc
The SG specialised catalogue lists the value off cover for this stamp at £10,000.