1974
It was made in 1971.
Your Browning model nomad 22cal pistol was made in the year 1971.
Samuel Colt made the first percussion cap revolver in 1836- but it was not the first. Elisha Collier made a revolving flintlock pistol in 1818- but it was not the first. James Puckle patented a revolving cannon in 1718.
If the pistol is a model 1903 hammerless it was made in 1907 I cannot tell you the value.
It was made in 1960.
This was made in 1958 if it has a round knob pistol grip. It is entirely possible that the gun was made in 1968 if it has a flat knob pistol grip.
No data in the public domain.
1941
BLue Book of gun values
This would be a Browning Challenger .22 pistol made in 1970.
With the serial number that you have provided,your Hi-Standard model E pistol was made by that firm in the year 1939.