From an early KFC Allergens report I've learned that the OR indeed contained Celery Seeds
From speculation by someone on another forum I've learned that at some juncture after allergens became a more critical concern Coriander replaced Celery Seed
From a photo of a KFC box I've learned that Paprika was an OR
From analytical reports I've learned that there is not enough capsaicin for Cayenne Pepper to have been an ingredient, but there is a small amount of capsaicin, likely from a milder pepper or blend
I've learned from allergen and ingredient lists that there is no added sugar
I've learned a lot about general ratio relationships from 13 solo recipe attempts
I've come to place faith in full ratio compliance to the 40 ounce bag
I've implied that Tarragon may at some juncture been replaced with Marjoram or Oregano
I've learned from analyticals that there couldn't have been much Thyme in the OR, and I've learned that Savory shares oils with Thyme, and from others I've learned that Savory tastes better in flour
I've (via word of mouth) learned from a book excerpt that Sage and Savory play well together
I've learned that too much Allspice may introduce too much Cinnamon and Nutmeg, and that a moderate amount of Clove is the safety valve here (with both clove and Allspice delivering Eugenol)
I admire Issac Newton for proclaiming that "If I've seen farther, it is only because I've stood upon the shoulders of giants." (this being my tribute to all other forum contributors)
So with all of that as my guide I've come to: