If it is Hopkins & Allen MFG Co, sometime between 1868 and 1898. Hopkins & Allen ARMS Co would be from 1898 to 1915. A 16 gauge would more likely (but not certainly) have been made after 1900.
No sn data published that I know of.
What is year of manufacture of a Browning Shotgun A-5 with serial number 01553NP111?
No serial number = no way to answer.
24647
There is noway to tell what gague a shotgun is just from the serial number. Take it to a gunsmith.
1983
The 2 letters in your serial number dates your shotgun to the year 2004.
No way of knowing without you providing the model number/name of the shotgun and the serial number that goes with it.
It depends on the serial number, one cannot get the date of manufacture with out the serial number
I cannot answer your question unless you include the model of shotgun along with the serial number to this question.
The MW in your serial number indicates that the browning shotgun in question was made in the year 2004.
2000