RARE EARLY-WAR ST. CLAIR "LOW PRESSURE" M1 HELMET LINER

Original Rayon Suspension & Leather Sweatband - Early War Production (1942-1945) 

This is an authentic World War II M1 helmet liner manufactured by the St. Clair Rubber Company of Marysville, Michigan. The yellow "SC" marking in the crown identifies this as a desirable early-war "low pressure" liner.

HISTORICAL SIGNIFICANCE: St. Clair began M1 helmet liner delivery to the U.S. Army in April 1942 and produced approximately 1,300,000 liners during the war. Early-war examples with original rayon suspension webbing are highly sought after by collectors.

AUTHENTICATION & FEATURES: 

• Manufacturer: St. Clair Rubber Company (marked "SC" in crown) 

• Type: Low Pressure M1 Helmet Liner 

• Era: WWII (1942-1945) 

• Suspension: Original Rayon webbing

• Sweatband: Leather 

• Configuration: Four-rivet attachment 

• Webbing Pattern: Cross-pattern suspension 

• Finish: Olive drab painted phenolic/resin exterior

MEASUREMENTS: 

• Circumference: Approx. 20" (leather sweatband with adjustable buckle) 

• Length (Front to Back): Just under 11" 

• Width (Side to Side): Just over 8" 

• Height: Approx. 6"

CONDITION: Used - Fair/Display Grade

PLEASE READ - IMPORTANT CONDITION NOTES:

This liner has cosmetic and structural flaws, but it remains a displayable piece for collectors.

FLAWS: 

• Shell Cracks: There are THREE (3) distinctive cracks in the shell material (clearly visible in the photos). 

• Exterior Wear: The exterior surface shows heavy scuffing, scratching, and paint wear consistent with age and use (see close-up photos). 

• Markings/Writing: There is illegible writing on an inner strap and what appears to be "JIM" written in white chalk/paint on the interior shell. 

• Leather Sweatband: Shows wear, aging, and patina.

POSITIVE POINTS: 

• Original rayon suspension webbing is intact. 

• All four rivets are present. 

• Webbing structure is sound. 

PROVENANCE & COLLECTIBILITY: 

Despite the condition issues, this remains a desirable piece for collectors due to:

• Original rayon suspension & leather sweatband
• St. Clair "low pressure" construction
• Early WWII production (1942-1945)
• Four-rivet configuration

This is a valuable addition to an advanced collection. These early-war features are rarely found intact.

NO RETURNS ACCEPTED. This is an authentic historical artifact sold strictly AS-IS. The condition, including all flaws, is thoroughly documented in the detailed photos and condition report above. Please review all images carefully and ask any questions before purchasing. All sales are final.