Ring of Fire Glassworks "Yellow, White and Green Switchback" small marble. The piece contains alternating uneven layers of yellow, green, and white, on the interior. Half of the exterior is covered with a dark blue zigzag design. Signed/dated, Paul Stephan 2004. Diameter 1 3/8".[hide]

Kevin Leopold "Spiral Eye" small marble. A blue and white spiral design rises from white ground on the interior of the piece, and a blue-green spiral covers the opposing side. The surrounding exterior is covered with blue-gray panels and swirls, bordered by pale yellow. Signed/dated 2006. Diameter 1 3/8".[hide]

Kevin Leopold Honeycomb small marble, with an orange and black honeycomb design, on the interior. Half of the exterior is covered with black and teal lines and swirls, on orange. Signed/dated 2004. Diameter 1 7/16.[hide]