two novices, one astride a piebald horse, another on foot driving out the horses for the night and rejoicing in their freedom, playing pranks like little children; their youthful voices rang out musically in the still air, and she could distinguish every word.
Anton Chekhov. The Duel and Other Stories
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Sir Marcus MacRannoch, distinguishable by his piebald mount and his bearskin cloak,
Diana Gabaldon. Outlander (1991)
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He caught a glimpse of the broad, smooth, black and piebald back of Hollandka.
Leo Tolstoy. Anna Karenina
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they come mounted on three piebald cackneys, the finest sight ever you saw.”