FAR LEFT CD 121 (095) PURPLE AM TEL&EL CO GLASS INSULATOR ,,2 NEAT BUBBLES BELOW EMBOSSING AND 1 IN WIRE RIM ABOVE EMBOSSING AND NEAT DBL LINE MOLD LINES THRU DOME AND NO CHIPS OR FLEA BITES ANYWHERE ,,DON'T COME BETTER THAN THIS MIDDLE =CD 121 (095) PURPLE AM TEL &TEL CO HAS 1 HARD TO FIND SLICE OUT OF BASE BUT BONUS BUBBLE ABOVE EMBOSSING IN DOME !! FAR RIGHT=CD 121 (095) PURPLE AM TEL &TEL CO HAS OPEN BUBBLE AT BASE AND SUPER TEAR DROP BUBBLE IN DOME 3 FLEA BITES FROM PERFECT, TRULY UNIQUE INSULATOR //THESE ARE THE $75 EACH LISTED IN PRICE GUIDE $150 SHIPPED TO USA ONLY