2½d pale bright blue. A superb UNMOUNTED MINT control ” K17 imperf ” strip of 3 of this known but unlisted by SG. Shade variety complete with RPS certificate. We also only send to confirmed addresses. The item “SG. N21 (UNLISTED). 2½d pale bright blue. A superb UNMOUNTED MINT control” is in sale since Friday, September 5, 2014. This item is in the category “Stamps\Great Britain\George V”. The seller is “bbstampsltd” and is located in Basingstoke. This item can be shipped worldwide.
- Colour: Blue
- Currency: Pre-Decimal
- Country/Region of Manufacture: United Kingdom
- Era: George V