No serial number given.
1999 (Standard Catalog of S &W).
100-500 or so
50-500 usd
Imposssible to answer without knowing which S&W model it is.
You will have to call S&W
Without the sn, you will have to call S&W to find out.
You need to call S&W with the serial number to find out.
You must call S&W to find out.
No such model number in the S&W catalog
The Smith & Wesson Model 586 no dash with the serial number ADN2585 was manufactured in 1981. The "no dash" designation indicates that it is an earlier version of the Model 586, which was first introduced in 1980. For precise dating, checking the specific production records or using the S&W forum's serial number lookup can provide additional confirmation.
You will have to call S&W
Shipped from the factory @ 1971