I did not go, but my friend did and he sent me some pics on my phone of this car on Friday....it ran across the auction Saturday and apparently sold. For how much, I do not know. Here's the listing if anyone has an account there, not sure if they publish the sold price or not
https://www.mecum.com/lots/HA0418-324156/2004-ford-mustang-svt-cobra-convertible/
https://www.mecum.com/lots/HA0418-324156/2004-ford-mustang-svt-cobra-convertible/