Home / Stamps / AUSTRALIA / KGV HEADS (1914) / SINGLE Wmk (1918-23) STAMPS SINGLE Wmk (1918-23) ½d 'ORANGE' (9) 1d'VIOLET' (6) 1½d 'RED-BROWN' (34) 1½d 'BLACK-BROWN' (15) 1½d 'GREEN' (18) 2d 'ORANGE' (16) 2d 'RED' (9) 4d 'BLUE' (10) 4d 'VIOLET' (6) 1/4d 'GREENISH BLUE' (8)