Vintage Keele St Pottery Co Ltd 1962 Gerry Andersons A P Films Supercar Egg Cup - Shop Stock Room Find. Released by Keele St Pottery Co Ltd in 1962, when Supercar was on its original television run. This fantastic egg cup, features a raised image of Mike Mercury's Supercar. The egg cup measures 2 1/4 inches tall by 1 3/4 inches wide at the top and 1 1/2 inches wide at the bottom. Shop Stock Room Find. This egg cup was never sold for whatever reason, it was discovered in a store room of a closing down shop. All orders received before 4pm Monday to Friday are dispatched same day.