I agree she's a hen.
An adult due to clear head feathers and distinct iris rings.
Opaline greywing clearflight pied. (Dominant pied would have a clear band across her belly.)
I agree with Toni that she's blue series yellowface II. Dilution always throws off my discernment of body color. I'm wondering if she's a grey yellowface II. Toni, what do you think?