What model?
100-5000 or so depending on EXACTLY what you have.
1970
About 300-400 thousand
500 USD
in todays market, and depending on overall condition about $350-$500......
Impossible to date without a sn. If you are talking about a Pistol Pac - 100-500 or so
100-400 USD
1-400 USD.
50-500 usd
With no more than that to go on, the best I can give you is a range of 300-3000
50-1000 usd