4th convention open salt Corning NY, May 18-21 1995, made by Lundberg Studios, A blue arene with golden interior 2 1/2" X 1/2", 155 made. A 5th convention art glass in cranberry with green leaves. Plymouth, MA September 4-7 1997 made by David Lotton of Lotton Glass. 223 were made1 1/4" X 2 1/4". 7th convention salt San Francisco, CA May 3-6 2001. Made by Lundberg Studios, 175 were made 1 1/4" X 1 3/4". 10th Convention open salt in deep red with three applied feet. Indianapolis, IN May 2007, made by Kokomo Opalescent Glass 105 were made. 1" X 2". All 4 peieces are in excellent condition.