17d, They might tax the postman with this for his home service (5,4,)?t?m?, d?T?.Is it, stamp date ???
15a, haughey documentary ;gripping ,uncompromising ,breathtaking unbiased ? (4)G?b?...
12a, if not defunct.(2,3,) ?n, ?t?. It looks to me like it should be , "in use" The t comes from 2d ,clue is ; Characteristics of its art to be disclosed ;,I answered Artist to that ,but maybe that is...