English: This is the back of a Steelite ashtray, as the article states, Steelite manufactured for the hospitality trade. J. Lyons at that time had many "Lyons Corner Houses" in London, and were famous for it. My late mother worked for Joe Lyons, I imagine she "permanently borrowed" this on a date with her future husband, my late father. The obverse has from a show "Showboat", in the West End of London, and is from the Strand Corner House in Trafalgar Square.
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