Vintage C1940s Brass “Thunderer” Whistle Made in USA with Original Safety Pin

Authentic C1940s Thunderer whistle in solid brass, fully functional and beautifully aged with its original warm patina. Stamped “THUNDERER – MADE IN U.S.A.” and complete with the rare original brass safety pin — almost never found intact. Historical note: Modeled after the original British Acme Thunderer, this U.S.–made version was used by American police, military, and referees from the 1940s through the 1960s — prized for its power, reliability, and solid brass construction. Details • Era: circa 1940s–1950s • Material: solid brass with natural patina • Cork ball intact and functional • Includes original brass safety pin for attachment • Dimensions: approx. 2” L × 1” W • Marked: THUNDERER – MADE IN U.S.A. A striking collectible piece once used by police or referees, perfect as a display accent, keychain charm, or symbolic gift. Excellent vintage condition, loud clear tone, unpolished. Gently aged surface consistent with vintage use; no damage, no cracks. Produces loud, clear sound. Unpolished to preserve its original patina. #VintageWhistle #Thunderer #BrassKeychain #MadeInUSA #CollectibleVintage #IndustrialDesign No trades Price as marked. Fast shipper 📸 Color May Slightly Vary Due to Photographic Lighting Sources or Your Monitor Settings. All photos are actual part of the description. All sales final