Value of any gun is based on exact make, model and condition. You question is missing a LOT of information. Assuming that is a Smith &Wesson Model 28-2, these are selling for $600-$900, with some scarce like-new examples selling for more.
Value of a smith and western model 581 357 magnum crome with 6 inch bull barrel
$700/900.00
6500
400-500
The S&W Model 57 chambered in .41 Magnum with a 6" barrel will range from about $400 to $2000 depending on condition and age.
50-375 usd
100-550 USD or so
50-500 USD or so
50-500 USD or so
It is a revolver. Value about $250, depending on exact model and condition.
50-550 usd
50-500 usd