Listed is an insulator for the Hemingray 9 collectors (experts) - Embossed Hemingray No.9 - has no line under o on No. and a large 9 --- on rear skirt Patent May 2 1893 and comes in a very lite icy blue tint (nearly clear) Unfortunately has four drips on back side sliced off. - some of the drips are round and some sharp. Asking $20 plus shipping.