Auction 333-341 Europe & Overseas - Day 6

1947: 50 Years of the Ethiopian Post Office, Die Proofs (2) by Bradbury Wilkinson for the 50 c. value (Addis Abeba PO), vignette and side designs only,  both engraved in shades of pale blue with large format Proof and similar Proof missing the steps cut-down, together with the issued stamp printed in green. Rare pair, ex the archive of Bradbury Wilkinson engraver Alan Dow.