Here's a cool pair of peaked dome CD 427 insulators from Portugal. These were used on telephone lines. Notice that the profiles and embossings are from two separate manufacturers. From L to R: Ice Green embossed: CTT/954VA3-1 (front) R inside G (Reverse). Made by Ricardo Gallo. Internal threading crack inside wire groove area (seen in pic). A few teeny tic marks. (SOLD) Rarely offered!

Light Yellow embossed: CTT/958 VA 3-1 (front) SB V1 (reverse). This embossing variant is not listed. Made by Santos Barosa Vidrios, S.A.. (Company bought out by Vidrala- a Spanish glassmaker). Scattered teeny abrasion and tie wire marks (biggest one shown in pic). One teeny ping. VNM condition! First email gets this rarely offered insulator for only $100 plus $8 postage (SOLD) U.S. Thanks!