I got this one last year, ended up not using it. It has never been user nor opened, indeed it is still in its bubble wrap as I got it (please see attached photos)

https://www.amazon.com/Canon-16-35mm-2-8L-III-Lens/dp/B01KURGS8U

It has been sitting in the closet, so better to sell it to some one who will actually go and take great photos with it