This is extremely old....I believe 18c and in excellent overall condition. I believe it is English/Scottish and is also titled "Audentior Ibo" with a finely engraved portrait, and I believe white roses as shown. Flat smooth snap pontil.....glass is very solid and thick overall. It has appropriate wear to base as I tried to capture. About 5 3/8" tall and 3 3/4" diameter across bowl. Finely engraved.....copper wheel? Any questions.....just ask.
Antique English Scottish Audentior Ibo Jacobite Engraved Wine Glass 18c