50
Impossible to answer since you didn't list a sn.
100 years (approx) sn pa20568
Is this a model 11 Remington? Please re-ask under the Remington classification
Check the date code stamps on the barrel. Details on the Remington Society of America on the Manufactured Date link.
It's date code stamped on the barrel, see related links for information on the Remington Society of America.
http://proofhouse.com/browning/index.html The above site has SN lists. The SN you list is @ 40 years old.
depends greatly on condition from 100 beater to 1,000 NIB. But unless it's very good to excellent it stops in the 500-600 range.
February 1943
1916
You will have to contact Remington.
1928