https://www.liveauctioneers.com/price-result/rare-byssus-sea-silk-hat-italy-1920-1930s/
Rare Byssus "sea Silk" Hat, Italy, 1920 1930s
Knit turban-style hat of byssus fiber in a lustrous golden chestnut color, unworn, pristine condition. Fiber identified
sea silkhat italyrarebyssus1920