Hello, can any of the members shed some light on this item please. I am not sure what its use is. There's no lid and I don't now whether it would have had one. Anyone now a maker at all? It gives a superb glow under UV. No reg no or mars at all. Height is 2 and 3/4 inches and total width is 5 inches. Quite weighty too. Than you as always for any help.