Wish there was more time .. Just saw this.. It appears to be a nice 2 piece 'Tank Tread' ring. As of 10pm EST you'd have to act quickly as it goes soon..
Wish I had more time to ask the owner for a better photo.. But I don't see anything glaringly wrong with it.. 2 piece, 800 marked,,seam at rear separated..
Check it out carefully,,make your own decision,,,IF it passes your muster you might just get lucky...
https://www.ebay.com/itm/314161145039
