Great Britain Castles.
The Queen Elizabeth Castles are identifiable as 5 separate Versions.
1955 Waterlow Sg. 536-539, Watermark St Edwards Crown
1958 De La Rue 1st printing Sg. 536a-539a, Watermark St Edwards Crown
1959 De La Rue 2nd printing Sg. 595-598, Watermark Multiple Crowns
1963 Bradbury Wilkinson printing Sg. 595a-598a, Watermark Multiple Crowns
1967 Bradbury Wilkinson Sg. 759-762, No Watermark




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