Mites or Fowl Pox? Help needed. Photos attached

[Nicole_Mc]

Can you help me work out what these are i really have no idea we have 1 speckled and 1 light Sussex and both of them have black starting to show on their comb. What are they and what can I do to treat it? Thanks in advance for you help!

 

[MissPoulette]

My little rooster has those spots too. How are her legs?

 

[Nicole_Mc]

My little rooster has those spots too. How are her legs?

I haven't checked her legs I'm not home at the moment but will have a look when i get back