Probably could do with some colour adjustment, the top of the image is lighter due to prevailing light conditions in the museum, and the white/yellow is not strong enough.  Finally the left-side structure, according to the miniature on the Met site, is apparently slightly red-tinged. Note that a little of the edge of the image is missing due to constraints of the original source photograph.  However, the amount missing is minimal.  You can see a lower resolution view of the full image at <a rel="nofollow" class="external free" href="https://www.metmuseum.org/toah/works-of-art/1989.183">https://www.metmuseum.org/toah/works-of-art/1989.183</a>
<a href="//commons.wikimedia.org/wiki/User:Pratyeka" title="User:Pratyeka">Pratyeka</a>
<span class="int-own-work" lang="en">Own work</span>