Hot House Glass - "Raked Swirl"

This is a handmade marble by artists, Brett Young and Larry Zengel of Hot House Glass.  It is a sparkly swirl marble with ribbons of dark blue, green, lemon-lime, and fine black lines.   The glass has been pulled with a glass raking tool giving it this wavy design.  Approximately 1 3/8" shy in diameter.  It is signed with a drawing of a house under flames.