Hot House Glass - "Rainbow Raked 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 colors of the rainbow.   The glass has been pulled with a glass raking tool giving it this wavy design.  Approximately 1 1/2" shy in diameter.  It is signed with a drawing of a house under flames.