used -- 3d. lilac (3), 3d. mauve and 6d. red-brown (6), all imperforate and issued while the perforating machine was being repaired, 1/- strip of four; 1871 1d. brown apparently imperforate, 6d handstamped "SPECIMEN" in mauve and 6d. block of four and two singles used on piece

Details
used -- 3d. lilac (3), 3d. mauve and 6d. red-brown (6), all imperforate and issued while the perforating machine was being repaired, 1/- strip of four; 1871 1d. brown apparently imperforate, 6d handstamped "SPECIMEN" in mauve and 6d. block of four and two singles used on piece