Bookends are 7.5 inches tall at the highest point. According to Seate and Long in their book, "Fostoria Useful and Ornamental" the bookends are 7 inches tall but a variation is not unusual. The book says they were made from 1941 to 1958.
Goddinger crystal has reproduced this bookend and it is currently being sold. Goddinger's bookends do not have a colored glow when viewed with a black light.