An authentic French Casque Adrian Modèle 1915 military helmet, issued to the Infantry during the First World War. This piece is in its genuine "as found" condition, making it highly desirable for collectors who value untouched historical items with an authentic patina, free from aggressive cleaning or modern restorations. • Construction: Genuine M15 model, made of four separate stamped steel parts (dome, top crest, front visor, and rear visor with the period-correct welded rim visible). • Insignia: Includes its original French Infantry front badge featuring the flaming bomb and the letters "RF" (République Française) in clear detail. • Interior: It still retains one of the rare original corrugated aluminum ventilation strips on the inner wall. The leather liner and chinstrap are missing. • Condition: Honest and rustic condition. Shows widespread surface oxidation (rust) and natural wear consistent with its age and field service. Solid steel structure. The photographs are an integral part of the lot description. Fast and securely packed shipping.