Andrew Madvin Glass Sculptures Back to Artist Amethyst Thorn Sculpture Clear Thorn Vessels Crystal Thorn Sculpture Amethyst Thorn Vessel Gold Topaz Thorn Vessels Cherry red Thorn Vessel Iris Gold Thorn Vessel Grey-Black Thorn Vessel Iris Gold Tilted Thorn Vessel Low Thorn Vessel Steel Blue Thorn Sculpture Steel Blue Tilted Thorn Vessel