With the serial number that you have provided,your Hi-Standard model E pistol was made by that firm in the year 1939.
1971
1934. A rather early pistol.
Go to the Ruger website, customer service, historical data, pistol, find your model, and there is a serial number/ year of production list.With the serial number that you provided,your Ruger standard model single six revolver was made in 1960.If you have a standard model automatic Mark I pistol,it was made in 1957.
This would be a Browning Challenger .22 pistol made in 1970.
It sounds to me that you have a Model 1908 hammerless model in .25cal.your serial number would indicate that this pistol was made in the year 1919.
pistol made about 1920
This is a "Hi Power" pistol made in 1981
If the pistol is a model 1903 hammerless it was made in 1907 I cannot tell you the value.
The suffix of P7 to your serial number indicates that you have a Browning Nomad model pistol,which was made in the year 1967.
1958
1941