Here is a nice CD 106.1 DUQUESNE in a see through medium cornflower blue color. The embossing is the best I have ever seen on one of these and the condition is DEAD MINT! You'll never find a better all around insulator representative than this. Pictures were taken in a 5000K fluorescent light box. Priced to sell at $185, which includes shipping. Payment by PayPal only as a friend of the family using this email address. NOW $170