rare Good Luck mug, vintage Mt Clemens pottery ceramic coffee cup w/ green shamrock clover

'Good Luck' Mount Clements pottery mug - this is a hard one to find, and everybody needs a lucky mug, right? It's perfect for St Patrick's Day with those shamrocks, but really, I'd use it all year round.

This one doesn't look as though it's been used at all, it's clean and nice inside and out. Measures 3 1/2" tall.