Just re-posted a 70's era 13" X 6-Lug Tom Hoop on ebay. Check it out.

https://www.ebay.com/itm/LUDWIG-13-X-6-Lug-70s-Tom-Hoop/264239708754?hash=item3d85e9fa52:g:8IYAAOSwxFVcPObr&frcectupt=true