$1000-$1400 depending on condition, most have internal damage that you can only see by removing cover. Very fragile design.
I sold one years ago that had the cast metal gear broke in it, sold it to a gunsmith for parts. Now I wish I would of had a machinist try to make one. Back then they wasn’t worth much but now you could afford to spend $500 on one to fix it right. Like you said a lot of them are broke but have been brazed back together and sold only to break again for the next buyer:
