Found this bottle about 20 years ago cleaning out my grandpas house. Thought it was cool so I kept it.
It says "OLD CHARTER" on the neck
FEDERAL LAW FORBIDS SALE
OR RE USE OF THIS BOTTLE
The 1950s and 60s were a golden age of decanter promotions. Many brands used fancy bottles to help sell their products. You can see a bunch of examples as well as the advertising that marketed them:
You can view a bunch of examples and see some vintage advertisements as well on eBay - use this link -
There is not much of a market for plain clear 20th century decanters like this...unless they have their original labels, packaging and even better, their contents.