Barovier and Toso was my first guess, too, but I couldn't find any pictures of similar candlesticks attributed to them. Pina's oler book,"Fifties Glass" (p. 87), shows a similar pair to the pair on this thread and she attributes them to Seguso. However, she doesn't show anything similar in her latest Seguso book. I'm pretty sure that a number of companies have created something similar over the years. The key is that they are Murano and they look to be good quality. Certainly, I'd covet them.