Remington 12A Model 510203: History, Specs & Value

Question
I inherited a remington 12a--model 510203.  What can you tell me about it or where can I find information about it?

Answer
Hi Bev,
Here the specs on the model 12a
http://www.remington.com/library/history/firearm_models/rimfire/model_12.asp
There were made from 1909 to 1936.
If there are 2 letters in the serial number it can be dated if it was made 1921.
http://armscollectors.com/sn/remdates.php

Its worth $150 to $550 depending on condition.

There are collectable.