Frost bite or Fowl pox?

[HensleyChickens]

Thanks if anyone can help

 

[ChickensAreSweet]

Hmm the pics are hard to see on my monitor so let me include some links so you can self-diagnose.

Frostbite usually on ends of comb or on wattles.
https://www.backyardchickens.com/t/...oks-bad-is-it-frostbite-before-and-after-pics

Favus is fungal infection- treatable:
https://www.backyardchickens.com/t/450640/comb-issues-favus-something-else-picture-heavy

Fowl pox:
https://www.backyardchickens.com/a/avian-pox-how-to-treat-your-chickens-for-avian-pox