Great Britain 1971 5p Literary Anniversaries "Thomas Gray 1716-71" error, SG885a.
A superb unmounted mint, with full original gum, example with gold (Queen's head) omitted.
Offered with an example of the normal stamp for comparison and display purposes.
A scarce QEII "missing head" error. Pierron records only 36 mint examples.
SG Catalogue Value: £900.
