Vintage Hemingray-660 glass insulator features a unique smokey gray to black frosted or matte finish. Embossed with "HEMINGRAY-660" on one side and "MADE IN U.S.A. 3-41228" on the reverse, this piece showcases a classic saddle top design. The textured, non-reflective surface provides a distinctive industrial aesthetic, making it an excellent addition to any telegraph or electrical insulator collection. A small chip is present on the top rim, consistent with its age and historical utility.