Numbers 1-4, plus vol 6/1. Topics include: Downey Head perf 14; PoW mail; Wilding essays; Booklets; Mulready; Dwney notes; Sterling Machin 5d tête -bêche; New 1912-24 Royal Cypher plates; KGV sheets in British Library; Downey Head 1d die 1A; KGV and KEVII notes; QEII £1 ‘Castle’ coated paper, and more. 5x A5 stapled booklets 80pp