Hot House Glass - "Cool Colored Half and Half Swirl"

This is a handmade marble by artists, Brett Young and Larry Zengel of Hot House Glass.  It is a swirl marble with wide bands of sparkly transparent turquoise blue, purple, and pink on half the marble and many very fine lines of black and white wrapping around the marble.  Approximately 1 1/2" in diameter.  It is signed with a drawing of a house under flames.