7d Olive Control C13(p) strip x 3. Stamps unmounted mint, lightly mtd in bottom margin only (see scan). 7d Olive Control C13(p) strip x 3. Superb unmounted mint" is in sale since Thursday, May 21, 2015. This item is in the category "Stamps\Great Britain\George V".The seller is "wickham_stamps" and is located in Bromley. This item can be shipped worldwide.