This portrait is of one of my Devon & Cornwall sheep, named Charley. Developed in homebrew Caffenol-C-M. I used 40 grams of coffee (espresso powerful and dark), 16 grams of pure vitamin-C and 146 grams of soda (=Natriumcarbonate Decahydrate) in 1 liter water, developed for 15 minutes @ 20 degr. C.