That's a nice looking '57.
I had one myself (#6127) but could not justify a 2nd tractor - nor did I have room for it. I didn't want to get rid of it since it made a nice stable mate to my '57 F-Cub.
Sold it to a forum member in Illinois who did an absolutely beautiful restoration.
Before picture; (shortly after I bought it-with thanks to Cecil)
After picture; (after the new owner finished the re-do)
Hope the new owner has a lot of fun with it. I've thought of doing a Cub with our Small Engine 4H Club that Aron and Hannah are a part of. Not enough room at the advisors place to store it-knock it down, etc.