~~~ I'm noting the following prices of ivory items: 1/6, 1/8, 2/6; 6/-, 6/6, 12/-; 7/-, 9/- 10/-; 13/6, 14/6, 16/6 and upwards 100/ 200/ 300/-; 600/-

I have no idea where the 2/6 piece you show is from (all illustrations in the catalog are of blank ivory chips).