Offered here is a crown embossed Brookfield CD 162 with rainbow iridescence also call Benecia glass. The coating was applied by the insulator being buried in wet soil for a very long time. The coating is all over the insulator and is heavier on some areas than others. Other pictures provided on request. The insulator has a pinkie nail chip to the upper wire ridge and a thumb nail chip on the base. $125.00 plus shipping. Pay with PayPal.