CD 145 G.N.W. TEL. CO. telegraph insulator. Smooth base. Dark purple. Vvnm. One tiny bb ping on skirt above G.N.W. From my personal collection. Purchased this from Ray Cook in 1974 at the Nashville, Tenn Flea Market. Hate to let this one go, but bills to pay. $110.00 postpaid in the U.S. Stock #tb2170.