18 USC § 331 - Mutilation, diminution, and falsification of coins

---
identifier: "/us/usc/t18/s331"
source: "usc"
legal_status: "official_legal_evidence"
title: "18 USC § 331 - Mutilation, diminution, and falsification of coins"
title_number: 18
title_name: "CRIMES AND CRIMINAL PROCEDURE"
section_number: "331"
section_name: "Mutilation, diminution, and falsification of coins"
chapter_number: 17
chapter_name: "COINS AND CURRENCY"
part_number: "I"
part_name: "CRIMES"
positive_law: true
currency: "119-84"
last_updated: "2026-04-21"
format_version: "1.1.0"
generator: "[email protected]"
source_credit: "(June 25, 1948, ch. 645, 62 Stat. 700; July 16, 1951, ch. 226, § 1, 65 Stat. 121; Pub. L. 103–322, title XXXIII, § 330016(1)(I), Sept. 13, 1994, 108 Stat. 2147.)"
---


# § 331. Mutilation, diminution, and falsification of coins

Whoever fraudulently alters, defaces, mutilates, impairs, diminishes, falsifies, scales, or lightens any of the coins coined at the mints of the United States, or any foreign coins which are by law made current or are in actual use or circulation as money within the United States; or

Whoever fraudulently possesses, passes, utters, publishes, or sells, or attempts to pass, utter, publish, or sell, or brings into the United States, any such coin, knowing the same to be altered, defaced, mutilated, impaired, diminished, falsified, scaled, or lightened—

Shall be fined under this title or imprisoned not more than five years, or both.

---

**Source Credit**: (June 25, 1948, ch. 645, 62 Stat. 700; July 16, 1951, ch. 226, § 1, 65 Stat. 121; Pub. L. 103–322, title XXXIII, § 330016(1)(I), Sept. 13, 1994, 108 Stat. 2147.)

### Historical and Revision Notes

Based on title 18, U.S.C., 1940 ed., § 279 (, ).

Mandatory punishment provision was rephrased in the alternative.

Reference to persons causing or procuring was omitted as unnecessary in view of definition of “principal” in .

Changes were also made in phraseology.

## Editorial Notes

### Amendments

1994— substituted “fined under this title” for “fined not more than $2,000”.

1951—Act , made section applicable to minor coins (5-cent and 1-cent pieces), and to fraudulent alteration of coins.