Esther 8:10
And he wrote in the king Ahasuerus' name, and sealed it with the king's ring, and sent letters by posts on horseback, and riders on mules, camels, and young dromedaries:
Torrey's Topical Textbook—AKJV

Job 9:25
Now my days are swifter than a post: they flee away, they see no good.
Torrey's Topical Textbook—AKJV