Antique brass-tone military-style trench whistle featuring a cylindrical body, distinctive double-sided sound openings, and a suspension loop with an attached braided lanyard.The whistle is stamped “PATENT” on the body, with patent number 572708 stamped around the upper end.Item Details:* Type: Antique military-style trench whistle
* Patent marking: 572708
* Material: Brass-tone metal
* Length: Approximately 3.25 inches
* Includes: Braided khaki/olive-drab lanyard with metal clip
* Design: Cylindrical whistle with dual sound openings
* Era: Antique, potentially WWI-eraCondition:Pre-owned antique condition with visible patina, tarnishing, oxidation, scratches, and surface wear consistent with age.The braided lanyard shows signs of wear. Its age and originality have not been independently verified.Whistle has not been tested for sound or functionality.Military issuance and exact manufacture date have not been independently confirmed.Please review all photographs carefully for condition and markings. The exact whistle and lanyard pictured are included.An interesting collectible for antique whistle enthusiasts and collectors of historical military equipment.
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