I picked up a Remington #50 but I can't find anything out about it. What years were they produced?
The SN is XL60,xxx if that's the serial.
I can't find any on ebay... What are they worth in fair shape?

I did find this
https://typewriterdatabase.com/remington.42.typewriter-serial-number-database#sm_17
"First Announced: March 15, 1835 (RT-293)"
I'm pretty sure 1835 is a typo...