SG. N21 (UNLISTED). 2½d pale bright blue. A superb UNMOUNTED MINT bottom left
A superb UNMOUNTED MINT bottom left hand corner marginal example of this known but unlisted by SG. Shade variety complete with RPS certificate. We also only send to confirmed addresses. A superb UNMOUNTED MINT bottom left" is in sale since Friday, February 3, 2017. This item is in the category "Stamps\Great Britain\George V". The seller is "bbstampsltd" and is located in Basingstoke.