The specialised mint and used study of the Downey head issues, including a wide number of better shades with (arranged by S.G. Spec. numbers: N1(4) mint, N2(7) - two mint and three used examples, N2(8) - two mint examples, N9(4)a mint, N11(4) mint, N11(5) mint, N11(6) mint vertical pair, etc., most other shades represented with duplication, mostly in the form of control singles, varieties with a number of no cross on Crown, imperforate, plate flaws, watermark inverted, sideways, etc.; mostly fine and worth careful examination. Fourteen items are accompanied by certificates. (a few hundreds)