Art Glass Decanter

This is a pretty Amber decanter with an applied, cobalt base. It bulges in three places, relatively thin and once again, it has no stopper and I would like to know the origin of this piece so I may complete it. It stands at 11" x 4.5". I initially thought it was a vase and that is how I use it, but I noticed that it has a very slight ring on the inside that indicates a decanter. Perhaps it was a vase used as a decanter. Possibly another Bohemian decanter. Sorry, but I just pick up what I like regardless of the flaws. Of course I try not to get flawed pieces, but if I really like something, I do not care.