Great Britain 1961 6d Commonwealth Parliamentary Conference error, SG629a.
A superb unmounted mint, with full original gum, example with missing colour, gold (roof beams) omitted.
Offered with an example of the normal stamp for comparison and display purposes.
A scarce QEII error of missing colour. Pierron records only circa 30 mint examples.
Accompanied with a 2001 Brandon Certificate of Authenticity.
SG Catalogue Value: £1,500.
