Coaster--molded glass with thick rim and base, probably used for furniture leg stabilization. Good condition with some scratches, wear, and a nick at the outside bottom. Impressed at the bottom of the coaster is the letter A surmounted by a letter H, probably indicating the manufacturer.
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Furniture
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Food Service T & E, Coasters (containers), City of Industry (Calif.)--Homestead Museum--La Casa Nueva, Coasters (Trays)