GB3220 Great Britain 1910-36 used collection with 1911-12 Downey Heads ½d. Green x 16 & 1d Red x 15 identified by SG #’s (some incorrectly), 1912-24 Royal. Cypher wmk values to 3d mostly x 12 ea (1d with Control x 1), 4d (9), 5d (6), 6d. (12), 7d (6), 9d Agate (9), 9d Olive (5), 10d (6) & 1/- (12), nice range of shades etc. 1924-26 Block Cypher wmk to 1/- including 10d (2) & 1934-36 Photogravure issue. With 10d (5) & 1/- (8, including a block of 4), attractive collection with huge Cat. Value, and a great starter for a specialised collection of these interesting issues.