17L 1930s-50s Two-Hole Ridged Rim Trochus Shell Buttons, 7/16"

Set of four (plus a similar extra one). Antique, ridged rim for grip and aesthetic appeal, Trochus shell Mother of Pearl sew-through buttons.

Size: small
Quantity: 5
Measure approximately: 17L, 17 lignes, 10.7 mm, or 7/16" (close to 1/2")
Attachment: two-hole

Material: Trochus shell. Genuine mother-of-pearl (MOP). From the sea snail Trochus Niloticus. Trochus produces a thick, strong, creamy nacre that's used for high-quality carved buttons.

Color: A white, iridescent, and smooth, slightly shiny nacre appearance. Not dyed, all natural.

Origin: Japan. In 1920s Japan became a major processor, turning Australian/Pacific trochus into finished buttons exported worldwide.

Uses: These buttons were most often used to fasten shirts.

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