None Vintage Montana souvenir beer stein mug blue & brown luster glaze made in Japan

Vintage Montana souvenir beer stein mug blue & brown luster glaze made in Japan Excellent vintage condition. No known flaws. Discolored spot on bottom seems to be where glaze flaked off. Dimensions 4.5” T 4.5” W (with handle) 2.5” top diameter 3.25” bottom diameter