The serial number starts with three letters. What you have listed looks like an assembly number. The sn is located on the butt of the pistol
You will have to call S&W to find out
100-450 USD
1969? 1969? 1969?
You will need to call S&W
With no other information supplied, 100-500.
the gun was made in 1984 it is probably a third generation
50-350 usd
50-500 usd
50-450 usd
100-450 usd
You can get a manual for free from S&W on their website.
Depending upon condition, $200 to $300.