The small pintype insulator is about the size of a pony. Measures 2 3/4" tall x 2" wide. Embossed E.S.A. (front) 20. (reverse). Ice Green. VNM+ condition. No chips or cracks. Minor plaster of paris inside pinhole that will come out with soaking in water. Never seen another one offered before now.

First email gets this for only $40 plus shipping. Thanks!