22L Set of Six Navy Blue Four-Hole Casein Buttons, 9/16"

A perfectly matched trio of authentic 1930s casein buttons in a classic Navy Blue. Their traditional round shape and classic four-hole sew-through design feel both playful and refined, an irresistible finishing touch for a garment that deserves something special.

Era: 1930s-1940s
Quantity: 3
Size: Small
Measure approximately: 22L, 22 lignes, 13.9 mm, or 35/64" (close to 9/16")
Attachment: Four-hole, sew-through
Color: Navy Blue

Material: Casein. Invented in 1897, Casein milk plastics are a type of plastic made from a protein called casein found in milk. Also known as Galalith in Europe, it was one of the first synthetic materials used for buttons after celluloid. The production of casein plastics all but ended after 1945 due to the introduction of newer plastics.

Origin: Europe, most likely Germany

Uses: shirts, blouses, dresses, children's clothing, or light jackets. These buttons are ideal for replacing missing ones on vintage garments, customizing retro-style shirts or blouses, crafting jewelry, or using in mixed-media art and sewing projects. They add an authentic period touch to clothing restoration or upcycling.

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