I need a antique estament for a old Oster Stim. U . Lax Junior?

so i saw a old Oster Stim. U . Lax Junior at a local thrift-shop, i need any info/price range that u could give me i paid $2 for it so i thought mabe i could make a little money back from it so i will give u a description. i dont kno wat year it is but in the manual is says copyright 1952... its in mint condishion in original box the manual is in it. also it is in a black box .the motor on top of the hand part is black. it looks like it is from the fifties um... i dont kno a whole lot about antiques as u can probly tell so if u could tellme ANY THING i would rlly appreciate it thanx