Here is a pair of seldom offered CD 124.3 insulators.

Left: [030] Dark Aqua - $100 plus shipping Condition: Two 3/4" annealing base fissures & clean thumbnail chip at base of pinhole where threads start. See next photo for description.

Right: [040] Light Lime Green - $150 plus shipping Condition: Excellent... only a couple of tiny fleabites. You'll be hard-pressed to find one in better condition.