The Canon USA Store has stock of the refurbished RF 24-70 f/2.8L IS, RF 50 f/1.2L & RF 70-200 f/2.8L IS lenses.
Canon RF 24-70mm f/2.8L IS $2069
Canon RF 50mm f/1.2L $ 2069
Canon RF 70-200mm f/2.8L IS $2429
Refurbished gear from the Canon USA Store comes with a full 1-year Canon USA warranty.