Antique INSULATOR TSB-2 1968 rare Vintage Green Glass insulators Telephone ussr For Sale

This insulator is my last.💥 Antique Rare GLASS INSULATOR💥 Made in the USSR, 1968. Manufacturer STF (STF) (unfortunately, no more detailed information).Glass insulator Type TSB-2 (STB-2) (B - alkali-free).TsB-2 in GOST of the 61st year it is indicated that “glass of blue, green and other colors” is allowed, it has an inner Insulator body intact. The insulator contains surface irregularities and air bubbles.☑ Condition: almost perfect;☑ Marking: Stamp of the factory "F", date of manufacture on the insulator - 1968, batch number "788".☑ Color: dark Height - 4.13" / 105mm.⚒ The base diameter is 3.30" / 84mm.⚖ Weight - 20.59oz / Please read the photos carefully as they are an integral part of the product description.🙏 Dear customers, if you have any questions, write to on communication lines and urban networks 0.4 kV.