It's date code stamped on the barrel see related links for information on the Remington Society of America.
The address of the Polson Museum is: 1611 Riverside Ave, Hoquiam, WA 98550-2739
The address of the Hoquiam Timberland Library is: 420 7Th St., Hoquiam, 98550 3616
98600
Some zip codes in Washington state include 98101 (Seattle), 98052 (Bellevue), 99201 (Spokane), and 98660 (Vancouver). There are many zip codes in Washington state, each corresponding to different cities and areas.