Auction 333-341 Europe & Overseas - Day 6

1955: Die Proofs for Dynasty series: Sancho II 90 c. value printed in deep blue (issued in similar shade but Duty Plate "90c." and imprint at base "Antonio Uno" and vertical imprint altered) and Pedro I 2 escudo olive-green (issued in vermilion with Duty Plate "2$00" and vertical imprint altered), printed by Bradbury Wilkinson, each engraved on smooth surfaced cream wove paper. Fresh, fine and very scarce. Ex the archive of Bradbury Wilkinson engraver, Alan Dow.