I have a pair of 1958 520’s that both belonged to my father who passed away in 2019 at the age of 94. They became mine at that point. Both of these awesome little tractors have been on this farm for well over 50 years. They can be seen , as well as my 1970 2520 John Deere diesel, on my You Tube channel,” Tractor Talk With Gary “ Yours is a dandy. Thanks for sharing