Fostoria Topaz Open Jam / Jelly Bowl – New Garland Etch – Diadem 02 Monday Apr 2018 Posted by d.b. in Fostoria ≈ Leave a Comment TagsColored Glass, Coloured Glass, Diadem, Jam Bowl, New Garland, Plate Etch, Topaz Glass, Yellow Glass Spread the loveThis pretty round topaz plate etched bowl was produced by Fostoria from 1930-1933. The etch is #284 New Garland and the shape is line #2430 Diadem. The base has pretty geometric detailing.