Would have more value if developed. Search term 'wine glasses' gets over 550k per month in google. Its a very niche market to resell. Id say develop it get some traffic and revenue and then sell. Hard to say the value on this one. Without development low xxx with dev and traffic mid xxxx
My confidence in g/l/a/s/s/e/s as a hack is definitely there, but for w/i/n/e g/l/a/s/s/e/s I'm on the fence. I suggest offers accepted, see what comes your way. If you've got development ideas, that would be awesome. IMO