Whoever sells, gives away, disposes of, exchanges, or barters any malt, spirituous, or vinous liquor, including beer, ale, and wine, or any ardent or other intoxicating liquor of any kind whatsoever, except for scientific, sacramental, medicinal or mechanical purposes, or any essence, extract, bitters, preparation, compound, composition, or any article whatsoever, under any name, label, or brand, which produces intoxication, to any Indian to whom an allotment of land has been made while the title to the same shall be held in trust by the Government, or to any Indian who is a ward of the Government under charge of any Indian superintendent, or to any Indian, including mixed bloods, over whom the Government, through its departments, exercises guardianship, and whoever introduces or attempts to introduce any malt, spirituous, or vinous liquor, including beer, ale, and wine, or any ardent or intoxicating liquor of any kind whatsoever into the Indian country, shall, for the first offense, be fined under this title or imprisoned not more than one year, or both; and, for each subsequent offense, be fined under this title or imprisoned not more than five years, or both.