This vintage milk glass mug is by FIre King and features a dual Ring-Necked Pheasant design. Fire King - Oven Ware 35 Made in USA is imprinted on the bottom.
The mug is in good vintage condition (no chips or cracks) but there is a small flaw in bottom of cup original to the manufacture (see pictures).
Approximate Measurements:
Height 3.75 in / 10 cm
Width 3.25 in / 8 cm
Length 4.25 in / 11 cm