Olean Glass Tall Handled Beer Stein. This is a great traditional handle glass beer mug with large inverted thumbprint, circles or moon pattern measuring 6 inches tall. It is marked on the bottom with a superimposed "O.G." and inclosed in a circle which is the mark for Olean Glass, Olean, NY circa 1929. This glass is in excellent condition with bubbles in the glass. There are 2 available and price is for each.