Depending on condition, 75-200 USD
Depends on which model, and its condition. Sort of like what is a Ford automobile worth?
don't know but I just paid $160 for one. I've looked everywhere it seems and can't find much info. I'm still looking. Just trying to make myself feel better.
Value of ANY gun is based on make, model, condition. There is not enough information in your question to answer it.
Depending on who made it and its condition; 100-1000 USD
They can range from 100-5000 USD