Vintage SERO P-38 Black Whistle Keychain Made in USA Collectible Accessory

This vintage SERO P-38 black plastic whistle is a compact collectible accessory, marked “Made in U.S.A.” and fitted with a sturdy metal keyring. The whistle has classic mid-century styling and durable plastic construction typical of American-made everyday gear from the time. Its small size makes it ideal for EDC collectors, whistle enthusiasts, vintage tool fans, or anyone who loves old-school utilitarian items. The keyring shows some age patina, adding authenticity and charm. Approx. length: 2 inches (including key ring). A great addition to any vintage accessory collection. Genuine SERO P-38 whistle, marked Made in U.S.A. Durable vintage black plastic Includes original metal keyring with aged patina Compact size – approx. 2 inches total Great for collectors, EDC lovers, props, or display Classic mid-century American utility design