Holder made in Taiwan. It has been sold in crystal and various colors by A.A. Importing, Castle Antiques, and other import firms since at least 1982. Some are marked with a Diamond H, which was removed from the mold when the Heisey Collectors of America threatened to sue.
Information found in "The Glass Candlestick Book, Volume 2" written by Rich and Elaine Stoer and Tom Felt.