Took a chance on a new one from eBay:
300cm (10ft) C/Ku-Band Prime Focus Mesh Satellite Dish (2018 Model) 9834285946170 | eBay
Came shipped from Canada via Purolator. Probably Tek2000? I don't really know much about them. They accepted a lower offer, and I used a 15% coupon active that day, so...