Home / Stamps / Great Britain / Elizabeth II Pre-decimal / Castles. Watermark St Edward’s Crown Castles. Watermark St Edward’s CrownPrice: $100.00 1955-58 Castles. Watermark St Edward’s Crown. SG 536/9. Mint Hinged Quantity Add to cart SKU: 100678 Categories: Elizabeth II Pre-decimal, Stamps Specifications Value Appraisal Product Features Additional Products Opening of Parliament House $0.50 BUY NOW Sturt Centenary $2.00 BUY NOW 3d Airmail Type A $4.00 BUY NOW British Solomon Is 1949 Royal Silver Wedding SG 75/6 Mint Unhinged $8.00 BUY NOW