Horizontal Hash Marks 18-19 20-21 22-25 26-27 28-29 BW3862 Index BW3811 Primitive Trees BW3861 Kimono Trees BW3851 Bamboo Ink BW3841 Graphic Geo Blocks BW3881 BW3812 BW3852 BW3853 BW3842 BW3843 BW3882