I've been trying for a while to get a handle on this martini glass. 3 1/2" tall, 5" diameter. Blown with a polished lip. The gold is a paint on the outside of the foot. I'm guessing 1950s - 60s, but have nothing other than look to base that on. Any clues, or any suggestions as to which direction to look regarding age, maker or even country of origin? Thanks for looking.