Murano glass from the 1970-1980s

My great grandmother who passed away at 94yo gave these to me. I believe there from 1970-1980s since the label was used around that time.
I also read on here that lots of fakes have been made and the sticker is easily bought on eBay.

Either way the sentimental value of them outweighs the monetary value. And the craftsmanship of these are amazing and fun to just stare at when you hold it up to the light.