Remington never made a model 22, a model 12 pump (1910), or a model 24 semi-auto (1925).
it is 56 Remington rifle model
Impossible to id the model from just the serial number.
It is a Remington Model 12 .22 cal. pump
by serial no
Remington Works - 1914 (late)
About $70.
1920
1914
1920
1920 RW isn't part of the serial, it stands for Remington Works.
RW is Remington Works, not part of the serial no. 1912.
Made 1926