On a tiny screen it looked to have a textured background as well as the clouds but it might have been the noise as it looks different on my laptop screen. I might erase some of the wing where they overlap
If you want to try something else, don't know if you will like it, but go to the adjustment layer filters and add a Photo Filter, choose Yellow at 100% strength, then go back to the picture layer and "Ctrl (or Cmd) I" to invert the colours