Fully worked 14mm Crux Glass Incalmo Mini Tube Vapor Rig. Features a large implosion marble with opal, large black coin opal, 2 additional opals, 4 hole diffused down stem, fully worked spiral base, polished 14mm joint and matching incalmo dome. Ti Signed by artist Crux. 6 inches tall with a 3.5 inch wide base. Free Priority Shipping Included.