September 2016 Society Auction
Lot 32. #384, C47-48. A beautiful assembly of progressive Plate Proofs of this 1950 issue. The lot includes blocks of four of the finished issue (#384) as well as progressive vignette proofs. Exceedingly rare. Security punches applied by Waterlow and Sons Limited.
Lines on the stamp image below are from the mounting material holding the items in this set.