Pekin frizzles X Silkie :D Love them, though they brood like crazy! But otherwise great layers!
A few just look like silkies, other than only having four toes :) These two are 3/4 silkie though in their defence :P
I had a bird with the same symptons around 18 months ago. For me it turned out it was a "one-eyed cold" so it could be that for you. She was very young, about the same age as your bird too. Gave her some "One-eyed cold in racing pigeons" tablets from Old Hand Supplies as instructed and she was...