Auction Highlight
From THE MIKE ROBERTS FRPSL COLLECTIONS - Cavendish Philatelic Auctions Ltd. - November 4, 2026
Lot 458 -
1963 BRADBURY WILKINSON CASTLE ISSUE 2/6d BLACK PLATE PROOFS - COMPLETE IMPERFORATE SHEET OF SIXTEEN: 2/6d black, an imperforate sheet of sixteen (4 x 4) plate proofs taken from the master die during production by Bradbury Wilkinson & Sons to check for flaws and alignment. Additionally shows layout guidelines. Note: it is believed only one other block survives.....
Currently GBP 2,600
Cavendish Philatelic Auctions Ltd. A long-established auction house with an international reputation for serving collectors since 1952. We specialise in line-engraved and early GB stamps and our auctions always include a wide variety of British Empire & Commonwealth stamps, all world postal history, and postcards.