A superb UNMOUNTED MINT posistional corner block of 12 clearly showing the listed variety Major frame breaks Pl. Ex The superb collection of Lady Mairi Bury.We also only send to confirmed addresses. A superb UNMOUNTED MINT posistional corner" is in sale since Thursday, April 4, 2013. This item is in the category "Stamps\Great Britain\Edward VII". The seller is "bbstampsltd" and is located in Basingstoke. This item can be shipped worldwide.