SG Catalogue value is for reference purposes only. Member of the Philatelic Traders Society and the Great Britain Philatelic Society. The item "1912/26 WATERMARK ROYAL/BLOCK CYPHER 4d GREEN SHADES USED & CONTROL COLLECTION" is in sale since Tuesday, September 4, 2018. This item is in the category "Stamps\Great Britain\George V".The seller is "elstreestamps" and is located in Borehamwood. This item can be shipped worldwide.