100 year old clamshell buttons from a local Pearl Button Factory that operated in the late 1900s. I found them while digging a new garden bed. : r/Antiques
Clam Shell Button 1 in Various Lot Sizes 491-1.0 M3 - Etsy
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SET of 7 BUTTONS Clamshell - Etsy
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Simplicity Favorite Findings - Big Button Clamshells- 1 3/8-Inch Primary 4-Hole Buttons, 40-Pack - Walmart.com | Big buttons, Clamshell, Sewing school
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100 year old clamshell buttons from a local Pearl Button Factory that operated in the late 1900s. I found them while digging a new garden bed. : r/Antiques