A fine mounted mint control " U22 perf " block of 6. Perf type 2A and watermark type II. A very scarce block these days.We also only send to confirmed addresses. A fine mounted mint control U22 perf block" is in sale since Friday, February 13, 2015. 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.