Please refer to the Browning Date your gun web page: http://www.browning.com/customerservice/dategun/detail.asp?id=35
Your Browning model nomad 22cal pistol was made in the year 1971.
This would be a Browning Challenger .22 pistol made in 1970.
You will have to call Browning to find out.
You must call Browning.
The suffix of P7 to your serial number indicates that you have a Browning Nomad model pistol,which was made in the year 1967.
Your Browning Nomad was made in the year 1970,with the serial number that you have provided.
1976
1969
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.
Never made in Belguim
made in 1976
Browning has sn tables on their web site located under customer service.