BIRMINGHAM, J.R. Gaunt & Son, aluminium advertising checks (3), including The Ashes, Australia 1932-3 and St Christopher types, 38, 38 and 27mm, 5.48g, 6.34g, 2.08g; Taylor & Challen Ltd, advertising checks (8), all different, including minting machinery, makers of minting machinery, wickman (one in silver) and british exhibition australia 1964 types, various sizes and metals (cf. Tansley 503-4); York Mint Ltd (Birmingham and Geneva), advertising checks (3), in nickel, 39mm, 27.44g, and in bright bronze (2, different), both 30mm, 11.10g, 11.01g [14]. York Mint mint state, others very fine and better £70-90