Sorry no body has jumped in to lend any advise rosey65. I'm not familiar with them myself. I usually check out prices asked on CL and the ended auctions on ebay to get sort of an idea of value when I'm not certain.
Here's a little write up about the 260.
http://www.tractor-review.com/john-deere-260.html
Here's a little write up about the 260.
http://www.tractor-review.com/john-deere-260.html