Depends on original condition, condition, and condition, from $100 to $1,500 if it's new in the box but unless it's VERY good it's not over $600 or so, prices shoot up quick in the 95%+ condition range.
1920 (pre date code) and maybe even Model 12 on the receiver?
1911
1914
Early 1920.
Manufactured 1914
1919
1920
Late 1911
1925, Remington started date code stamping in 1921 so there will be a month/year code on the barrel. You can find the details on the Remington Society of America under the Manufactured Date link.
The Remington model 12C slide action 22cal. was produced from 1909-1936.
1915
1924, see related links