Attila C. in Hungary shares this photo of his 6-month-old male Kuvasz.
“In profile, the skull is only moderately arched–rather flat, continuing with a smooth line to a hardly perceptible stop and a long, straight nose.”
From: Pál Sárkány and Imre Ócsag, Hungarian Dog Breeds, Budapest, Hungary: Corvina Kiadó, 1977, 2nd ed. 1986, p. 101.