Auction 321 - 332 Europe & Overseas Great Britain & British Commonwealth - Day 3

1924/26: 10 d. turquoise-blue, wmk. Block Cypher, an unused block of four, variety "Imperforate" and overprinted "SPECIMEN" (Type 23) in black, fresh and very fine, large part og. with lower pair unmounted og. Scarce and most attractive Gi N44t = £ 600+.