'OS/NSW': 1915-21 New South Wales Returned to Sender covers (9) with 1d Red Smooth Paper (8 solos including nice Die II) or 1d Red inverted wmk plus ½d Green, range of shades including 1915 semi-surfaced (BW 71A) with Sydney DLO Returned Letter envelope, many with DLO Returned to Sender labels on reverse, few faults (10)