Watch List notes:

British Coins, Elizabeth II, Royal Mint, trials: 2 penny, 1971, brassy-bronze; 1 penny and half-penny, 1973, cupro-nickel (?) with silvery surface; trial, cupro-nickel, perhaps experimental for slot machines or similar, legends read IOIOIOIO..., 24.83mm.; 10-UNITS – SPECIAL TRIAL DESIGN, on aluminium (?), 23.32mm., this very fine, others mint state (5)
(150-250 GBP)