Vintage 1940's era FIRE-KING D handle Ivory Mugs

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3 matching Fire-King Ivory glass D handle mugs 40's era. (see photos below).
All marked Fire King oven glass
The 3 mugs measure approx. 3-1/2" tall x 3-3/8" in diameter.
All are in very good condition for 70 + year old glass, no cracks, clean, bright and shiny.
Some have the normal straw/mold marks and small chips/nicks on the very bottom edge from use.