1931-37 C of A Watermark 1d John Ash (N over A setting) imprint pair, with variety 'Left Frame Buckled and Broken and Scratch at Lower Left' (R55); John Ash (N over N setting) imprint block of 4 with same variety retouched; and John Ash (N over EA setting) imprints blocks of 4 (2), both with same variety retouched, from Frame Plates 1 and 2. All fine mint with large part OG, lower units of blocks MUH, a nice group. BW D115z, za, zb, zc, cat AU$425 (14)