Depends on condition, condition, and condition. Anywhere from $200 for working beater to $1,000 new in the box w/ all paperwork. In the very good condition $500-600 that's lots of blue and good wood with nothing more then general handling marks.
Your Remington model 12c is going for anywhere from 400 dollars in 60% condition to 800 dollars for one in 90% condition.
Depending on condition the blue book value is between $250 and $800
yes with the serial and a VERY good description on condition.
1911
1914
Early 1920.
Manufactured 1914
1919
1920
Late 1911
The Remington model 12C slide action 22cal. was produced from 1909-1936.
1915
1924, see related links