6 FIRE-KING D handle Ivory Mugs Flat Bottom

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A total of 6 Fire-King Ivory glass D handle mugs. 1- has a Flat Bottom (see photos below).
4 pieces are embossed on the bottoms Fire-King oven ware from the 1940's era, 2 are marked Anchor Hocking Fire King Ware
All are in very good condition, no chips, cracks, clean, bright and shiny. Some has minor straw/mold marks.