Vintage 1950-60s Red Velvet Pillbox Hat w/ Birdcage Veil 。Vintage 1950s 60’s purple pillbox hat by Lora Madman Era Structured Knitted Veil. Pillbox hats from the late 1950s to early 1960s were very standardized. Estimated Measurements Exterior • Diameter across top: approximately 8 to 8.5 inches • Diameter across base: approximately 9 to 9.5 inches • Height overall: approximately 4.5 to 5 inches Interior • Interior opening diameter: approximately 6.5 to 7 inches • Interior circumference: approximately 20 to 21 inches This indicates a small to medium fit, which is typical for structured pillbox hats of this era and consistent with the snug crown style worn high on the head rather than pulled down. Measurements are approximate. Hat is designed to sit atop the head rather than fully cover the crown. Best fits a small to medium head size.