Set of twenty-three vintage 1940s white casein four-hole sew-through buttons.

Era: 1940s
Quantity: 23
Size: Small
Measure approximately: 22L, 22 lignes, 13.9 mm, 35/64" (a smidge larger than 1/2")
Attachment: Four-hole, sew-through, round recessed eye

Color: off-white or ivory with a subtle marbled or swirled veining effect in the material, creating a soft, natural, mock-pearl or mock-ivory look with faint mottling visible in the surface due to the manufacturing process.

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.

Origin: Europe, with France the strongest candidate based on the marbled casein production there during the 1940s-1950s.

Uses: These buttons are perfect for restoring or completing vintage mid-century garments like shirts, blouses, or dresses, providing an authentic period-correct replacement. They also suit modern sewing projects needing a subtle, elegant neutral button with character, such as minimalist clothing, heirloom pieces, jewelry crafting, or upcycled fashion.

These buttons are excellent for restoring or matching mid-century vintage shirts, blouses, dresses, or other garments needing period-appropriate replacements with subtle character. They also work well in modern sewing for clean, understated looks in minimalist clothing, heirloom projects, jewelry making, or upcycled items where the marbled effect and recessed detail add understated elegance.

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