Ken,
Demand for these guns is pretty low, but the supply is very low. They sell in the $450-$850 depending on buyer and seller. Finding an ejector model is a bit of luck. Look for Miroku, Charles Daly, Western Field and Kawaguchiya brand names. Note: Charles Daly switched their SxS manufacturing to Pride of Spain around 1974.

Anton, it took me a while to "see" the evidence of ejectors