Here are pics of the three guns that I'm considering selling. They are, top to bottom, a 7-shot 686 with 6" barrel, a 4" CS-1 686, and a 3" CS-1 686. I can find the value of the 7-shot 686 by looking on GunBroker but I've had a hard time finding a value on the two CS-1 revolvers because there...