There is one mark on top.
Vintage Blenko Clear Glass Ashtray 3 3/4" X 1 1/4"
Vintage Blenko Clear Glass Ice Cube Candle Holder 2" + Christmas Tree Candle
Vintage Herringbone Anchor Hocking Crystal Cut Clear Candleholders~Pair
Pair of Vintage Fostoria Clear Column Glass Pillar Candleholders -Rare Shape!
Vintage Blenko #813 Clear Crystal Frosted Art Glass Ashtray – Heavy MCM
Vintage Blenko Amorphous Freeform Clear Amoeba Glass Ashtray Candy Dish Bowl
