my cameras at the shop being mended-- just bought an ashtray ,it looks like a jelly mould six petal pot yellow opaque at base rising through to clear red ,,it has got a ridge type base maybe pressed and a mark on base with three s marks in a square spiragraph symble ,maybe hard to explain but couldnt wait for pictures ,, the ashtray looks like a trifle lol , any ideas what it is ??thanx kerryn x