Item Identification
Item Name: Vintage Art Deco \"Winged Circle / Speedlines\" Threaded Fuel or Radiator Cap
Design Motif: Streamline Moderne winged bullseye / multi-line speed wings with a finely knurled coin-edge grip
Era: 1930s – 1940s (Pre-WWII classic era)
Mounting Type: Female screw-on collar with internal threads and central pressure/vent relief valve
Dimensions: Approximately 3.0 inches in diameter across the knurled rim; 1.1 inches tall; ~2.0 inch internal threaded collar diameter
Up for sale is an authentic vintage 1930s Art Deco Threaded Automotive Cap. Featuring a classic Streamline Moderne engraved winged bullseye with tiered speed whiskers on the dome, this heavy knurled cap was a popular custom accessory during the pre-war era for classic automobiles, custom roadsters, and early farm machinery with male-threaded filler necks.
Key Features & Period Styling
Streamline Moderne Artwork: Center concentric bullseye flanked by horizontal trailing speed stripes, capturing the pre-WWII machine-age aesthetic.
Coin-Edge Knurling: Perimeter features deep, precise knurling designed to provide positive hand grip when tightening or loosening.
Screw-On Design: Features female internal threads designed to screw down over exposed male filler necks, equipped with a central interior baffle/relief valve.
Patina & Display Appeal: The authentic wear, edge crack, and aged chrome make this an ideal match for an unrestored survivor, traditional rat rod, or as a display piece for an automobilia collection.
Condition Notes
This cap shows natural 85+ year-old patina, surface wear, and zinc alloy fatigue. There is a hairline fracture near the top outer edge and a split along the lower threaded casting ring with oxidation inside the cavity. Please review the high-resolution photos for exact measurements and a detailed look at the structural cracks.
Keywords (SEO Tags)Art Deco Gas Cap, Winged Circle Cap, 1930s Radiator Cap, Knurled Fuel Cap, Streamline Car Part, Rat Rod Gas Cap, Pre War Ford Cap, Vintage Speedline Cap, Threaded Radiator Cap, Barn Find Automobilia
