He appears to have Fowl Pox, which is a disease caused by a virus (its not related to Chicken Pox in humans). Fowl Pox does not have a treatment, and runs its course in about three weeks. It isn't usually deadly in the dry form, which your bird appears to have. However, it can be deadly if it progresses to the wet form, which causes lesions and scabs in the throat as well.
Fowl Pox is quite contagious, so keep him isolated from other birds. The main carriers of Fowl Pox are mosiquitoes, flies, and other flying insects. To reduce the spread of the disease, treat your chicken area for flying insects. This will eliminate most of the carriers.
Keep him as stress-free as possible to prevent a secondary bacterial infection. Give electrolytes and probiotics, and make sure that he eats and drinks. You might want to put him on a course of antibiotics. Oxytetracycline like Duramycin, Terramycin, and Tetroxy HCA-280 is a good antibiotic, as it is broad-spectrum. Make sure that you don't give probiotics, yogurt, apple cider vinegar, or other dairy products while using antibiotics, as they will interfere with the success of the antibiotics.
The scabs may get bigger, and cover more of his face. They may block his vision, making it difficult for him to see to eat and drink. To make him more comfortable, mix together some vaseline with sulphur (I believe that sulphur can be found at garden stores, but I'm not sure). Put this mixture on the scabs, and they will soften so that you can remove them. Without the scabs, he will be able to see to eat and drink, and the sulphur will help repel flies.
Birds that recover from Fowl Pox will be immune, but can still pass the disease to others. To prevent Fowl Pox in the future, you might want to vaccinate. The Fowl Pox vaccine is relatively easy to find, and easy to give. You can buy it at
http://www.twincitypoultrysupplies....d34279a8d4fc77a34e81&keyword=fowl+pox+vaccine.
I hope this helps! Your rooster seems like a pretty boy.