Here is a NW & BIT (New Westmister & Burrad Inlet Telephone) insulator...used in Canada. This one comes from my collection as I have upgraded. The dome glass is verynice is this piece. Theer is a milk swirl in the skirt. There is a base chip. $260 shipped in the lower 48. To other locations, I will allow $10 of the actual shipping cost. Emails responded to in the order received.