Without more information; 50-1000 USD
100-1000 usd
No. The Model 28 is a .357 Magnum.
The Model 19 was not made in stainless steel.
IIRC, they are not marked with the model number.
.357 Magnum
1982
357 Magnum
If it is a blued 357 with adjustable sights, it is probably a Model 15.
100-300 or so
50-500 usd
@ 1985
100-300