Postage Due. 1946-57 redrawn types (C & E) wmk 15, range of nine lower marginal interpane blocks of 4 with 'BY AUTHORITY' imprint from re-engraved 'Ash' plates, comprising 1d x 2 (with and without dot, different shades), 2d (with dot), 3d (with dot), 4d and 5d both without dot, 6d x 2 (with and without dot, different shades) and 1s (with dot), fresh large part o.g. to o.g, (all with at least two stamps unmounted, the 2d block, and one each of the 1d and 6d blocks with all four stamps unmounted). Odd minor blemishes (gutter folds, one 1s with a short perf) but an attractive and very scarce group, with all values known with this type of imprint represented except for the rare 7d. [The ½d and 8d values do not exist]. ASC D130zc, zd, 131zb, 132ze, 132z, 134za, 135zd, ze, 138ab. (cat $590 in 1999).