Vintage Rare Brainstorm Nebula Glass Alien Head Plasma Lamp

Vintage Rare Brainstorm Nebula Glass Alien Head Plasma Lamp. This item is considered rare. Adjustable Knobs for lightning and sound controls. Works great height is 16in. Width 12in. Plastic base with glass head. Found two others online. One was listed for $900 with $87 shipping, and the other was $800 with $100 shipping. Please note: this is missing the back though it does not effect the operation.