"The Glass Candlestick Book, Vol 3"Iby Felt and Stoer identifies these as a reproduction of a Boston Sandwich candlestick produced by an unknown maker in the 1920s.
Candlestick is 9 inches tall with a 4 inch hexagonal base. It is also found in cobalt. Fostoria reproduced the same candlestick for the Henry Ford Museum in crystal but it is marked HFM. It is considered part of the Argus pattern.