remingtion model 11 help

[1low1ton]

i just bought a model 11 today at an auction i know very little about these guns except everyone wanted it they found out what i paid for it i was wanting to know what year it was produced i looked around on here and from the best i could determine it was made between 1911 or so and 1929 but id like to know for sure there is no markings on the receiver except for the serial number of 237335 and the remington umc trademark behind the trigger guard there is no checkering on the shock it has a solid rib barrel with model 11 remington arms union metallic ctg co. with brownings patent dates following that and the marking of "on" and full the other side of the the barrel is marked rep some help would be greatly appreciated thanks

[1low1ton]

looks like it was made in july of 1922 according to the manufacturing date lookup on the rsa homepage but by looking up the serial number says it was done sometime in september of 1921