Your question cannot be answered without you providing the name of the maker of your shotgun,and then we can determine if there is any public data to identify the year of manufacture.
Folsom was a brand name used by the Cresent firearms company,which was in business from 1888-1932.If your shotgun has Damascus barrels then it was made from 1888-1900.If it shoots standard smokeless powder shells,then it was made from 1901-1932.
By the specific serial number stamped into the frame.
What is year of manufacture of a Browning Shotgun A-5 with serial number 01553NP111?
describe the type of shotgun and recheck the serial number
That is a very early serial number!If you have a auto-5 12 gauge shotgun,then the year of manufacture is 1904.If you have a 16 gauge shotgun,then the year of manufacture is between 1910-1912.
No serial number = no way to answer.
2000
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.
15386
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.