THE LOCKE IS DARK AQUA, THE KNOWLES IS GREEN. THESE HAVE ISSUES, THE LOCKE DISPLAYS MINT FROM THE FRONT, THE KNOWLES DISPLAYS MINT FROM THE BACK SIDE. FOR THE PRICE. THESE WOULD MAKE GREAT PLACE HOLDERS OR TRADING STOCK. THERE ARE PICTURES OF THE GOOD SIDE AND THE NOT SO GOOD SIDE. I AM ASKING $50 FOR THE PAIR, PLUS SHIPPING.