Great Britain 1867 1d Black Paris Exhibition Proof Plate 103, SGDP38.
A very fine unused four margin example lettered "IG" printed on soft white card.
These penny blacks were specifically printed for the second world stamp exhibition held in Paris in 1867 between 1 April to 3 November. Blocks of 20 were cut from the sheets for display.
SG Catalogue Value: £2,250.