Vintage Green Pottery Ringware Pot Size Small Lid + Handled Bowl

Vintage Green Pottery Ringware Bowl/ Pot Size Small ~ Lid + Handled Bowl. 8” length with handle 5” across bowl 2.5” height Pre owned ~ vintage but in excellent shape! No chips, nicks or cracks. I thought it was a Bauer but an antique collector informed me she’s absolutely sure it’s not. I’m open to the knowledge if someone knows. It’s USA, but not sure which company