I think that the photograph of this one is not true to reality... Chopping out the background like this is not a good idea, because it seems way too much digitally cropped out and painted black.
I would say that taking a nicer picture with better lightning and a nicer background (black cloth or some kind of natural linen) will do the efforts of the paintwork shine waaaay more. On the 5 busts I see on your gallery (today and now) this is the best one, at least from my point of view.
Hope this will be helpful to you! ;)
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