This insulator is a CD 121 embossed on the front; "CANADA" with the "B.T.C. MONTREAL" blotted out\. It is the [040] listing in the book under Canada. The insulator is a beautiful royal purple color. It is in VNM + condition with only some very minor wire wear in the wire groove. A beautiful clean shiny colorful piece. Priced at $65.00 plus shipping. Payment by PayPal Friends or check. Thanks.