Kósa in Hungary shares this photo of his Alma (which means Apple in English). This photo showcases the Kuvasz's slate-colored claws; distinctive white, thick, wavy fur; and the head's "smooth line to a hardly perceptible stop and a long, straight nose."
Info from: Pál Sárkány and Imre Ócsag, Hungarian Dog Breeds, Budapest, Hungary: Corvina Kiadó, 1977, 2nd ed. 1986, p. 101, 103.