Cobalt Blue Vase UFO Art Glass Controlled Bubbles Oil Candle Wick Handblown 2013

Cobalt Blue Glass Art Oil Candle Holder Beautiful with controlled bubbles of various sizes inside Smooth outside UFO shape with bulging around the middle Flat bottom and flat top There is an opening on the top - 1/2" diameter Bottom is 2" diameter Approximately 5" across the middle Approximately 3.5" height This has a etched signature on the bottom that looks like Y. Bau or Y. Dau Dated 2013 Appears to be handblown The top opening is a little bit rough Inside is a new unused white candle wick I believe this is supposed to be an oil type candle It also might be missing something that goes on top? Can be used as a vase or a paperweight