Whoever, except as authorized by law, makes or utters or passes, or attempts to utter or pass, any coins of gold or silver or other metal, or alloys of metals, intended for use as current money, whether in the resemblance of coins of the United States or of foreign countries, or of original design, shall be fined under this title  or imprisoned not more than five years, or both.
18 U.S. Code § 486 - Uttering coins of gold, silver or other metal
Based on title 18, U.S.C., 1940 ed., § 281 (Mar. 4, 1909, ch. 321, § 167, 35 Stat. 1120).
Changes were made in phraseology.
1994—Pub. L. 103–322, which directed the amendment of this section by substituting “fined under this title” for “fined not more than $2,000”, was executed by making the substitution for “fined not more than $3,000”, to reflect the probable intent of Congress.