You will need to call Browning.
What is year of manufacture of a Browning Shotgun A-5 with serial number 01553NP111?
No serial number = no way to answer.
You must call Browning with the serial number to find out.
The MW in your serial number indicates that the browning shotgun in question was made in the year 2004.
With the serial number that you provided,if you have a Browning model auto-5 shotgun?Then this shotgun was made by FN of belguim for Browning in 1939.
It was made in 1981.
1985 is the year this was made