Here is a very uncommon CD 731 most likely made by Beaver Falls or another glass house in the surrounding Pittsburg, PA area. It has a strongly embossed "M" for William Modes who was involved in the insulator making process. The insulator is in very good condition with a very shallow dime sized fish eye bruise on the upper crown on 1 side. There is also a 1/4" shallow flake on the upper wire ridge, and a 1/4" and 1/8" shallow flake on the base. Blowout priced at $375, which includes shipping and insurance. PayPal as a friend of the family or a Postal Money Order for payment methods. NOW $350