I HAVE HUNDREDS OF TIE TACKS, TIE BARS AND CUFF LINKS. cuff links: 0.89" x 0.69" (approx. 7/8" x 11/16" or 22.5mm x 17.5mm). I always try to point out any clear blemishes and condition. 0.50" = 1/2" or 12.5mm -this is fairly large for standard button holes.
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