Set of Two Studio Art Pottery Coffee / Tea Mugs, Large Purple & Yellow Dragonfly

Set of two studio art pottery coffee / tea mugs including one large solid purple mug and one smaller yellow mug with florals and dragonflies, both have thumb rests and both are signed. Both in excellent condition, purple measures approximately 3.5" tall x 5" a Ross top diameter and yellow mug measures approximately 3.25" tall x 3.5" across top diameter.