Try contacting Mark at First Stop Guns in Rapid City, SD. They are a large Cooper dealer and has been affiliated with Cooper for many years, he may possibly be able to help with a value.
Or, you could post it on Gunbroker, set a minimum price and let the market decide what someone is willing to pay.
drover
Or, you could post it on Gunbroker, set a minimum price and let the market decide what someone is willing to pay.
drover