: 18 U.S.C. § 716 provides a defense for possessing badges used exclusively for mementos, theatrical productions, or other recreational purposes, provided they are not used to represent oneself as law enforcement.

: Items like FBI decals or badge holders are widely available and generally safe to purchase for fans or hobbyists. PatriotPixel - Etsy

Purchasing a current-issue FBI badge is generally illegal under federal law. Specifically, prohibits the manufacture, sale, or possession of any official badge, identification card, or "colorable imitation" prescribed for use by a U.S. government agency. Violating this statute can lead to fines or imprisonment for up to six months.