The owl's head was an Iver Johnson trademark. The model 1900 was made from 1900 to 1947.
What model?
10-400 usd
No such revolver made by S&W
25-75 USD or so
In "good" condition with standard barrel length (3.25") and with standard Nickel finish - value will range from $125 to $150 US.
29,900 in good shape
@ 1870-1915
Nice revolver
In typical condition, $150-$250
With no more than that to go on, the best I can give you is a range of 300-3000
The Model 19 Combat Magnum is a .357 caliber revolver with adjustable sights. It was available with a 2 1/2, 4, or 6 inch barrel, blued or nickel plated. This model was discontinued in 1999.
Approximately $100-$125 --- That is directly from the Bluebook of Firearms................hope this helps..............