Unlikely, Jayy.
Judging from the photo, this bird is larger than a cherry head. There are no red feathers at the bend of the wing. It probably has a dark red line right above the nares. I'll provide some photo comparisons....
Cherry Head - notice the red in the wings!
vs (Northern) Mitred - notice the lack of red!
Cherry head - uniform red coloring
Mitred - darker red right at the nares
And together....
Another interesting difference between the two.... in cherry heads with the full coloring, the red extends past the eye from the nose. In mitreds, the red *should not* extend past the eye on top of the head at all (which you can go back and look at Charlie's head!).
Now, there *ARE* 3 different subspecies of mitred conures, which means that the amount of red can vary between birds... and Charlie so happens to have the least amount of red of all the subspecies! The other two subspecies have a lot more red in the cheek area, with one having full red cheeks - similar to the bird pictured here.
However, I am not quite set on the idea that the mitred conure (first post) is a pure. He might be, but I'm a little skeptical.