Vintage Magnum Butterfly Paperweight Controlled Bubble Studio Art GlassI consider this a large paperweight. Not sure what the actual definition of magnum is but this is close, maybe not quite as big as those doorstop paperweights you see. Weight is 2. 7LBS, Size is 4 inches across, 3 inches tall. The maker of this is unknown. Not signed. If I were to make a guess I would say it came from the USA, West Virginia, Jersey or Ohio, It is kind of a weird one. The bottom is heavily ground down, they took a lot of glass off and