Hot House Glass - "Primary Tri-Colored Swirl"

This is a handmade marble by artists, Brett Young and Larry Zengel of Hot House Glass.  It is a swirl marble with bands of sparkly pink, blue, and yellow wrapping around the marble.  Within those bands are fine white lines.  Approximately 1 1/2" shy in diameter.  It is signed with a drawing of a house under flames.