Set of 4 Retro Deep Yellow Mugs

This is such a deep, bright yellow, reminds me a Fiesta ware yellow. Unusual D-shaped handle. No markings on the bottom

Measures just under 3-3/4" in height x 4-1/4" in length (including handle) x 3-1/4" the other way. Holds 10 oz (1 cup)

All in beautiful condition.