Vintage McCoy pottery clam shell shaped chip and dip tray.

Veggies, McCoy pottery, clamshell shaped chip and dip tray has blue and green and yellow drip glaze features are of Mojolica glazing. This dish has a fan like rigid texture shape sometimes described as a seashell or scallop shape signed but can’t quite make it out. Please see photos for signature. 12 inches across 12 inches long dip tray is about 3 1/2 inches high and 2 inches deep. no scratches chips cracks marks of any kind excellent condition.