This insulator is a CD 143 embossed on the front skirt; "CANADIAN PACIFIC RY CO". It is the Withycombe Style with 69 vertical ridges and 9 spiral ridges below the wire groove. It is a light blue aqua color. It is in very nice condition for one of these with only some light flaking to the spiral ridges. A very cool looking Canadian beehive. $150.00 plus shipping. Payment by PayPal friends or check. Email any questions. Thanks.