I HAVE HUNDREDS OF TIE TACKS, TIE BARS AND CUFF LINKS. cuff links: 0.58" x 0.61" (9/16" x 5/8" or 14.5mm x 15.5mm). I always try to point out any clear blemishes and condition. 0.25" = 1/4" or 6mm - pretty small for standard button holes.
K Monogram Initial Letter Vintage TINY SMALL Tie Bar Clip kevin karl kurt kliff
TL Monogram Initial Letter Font Vintage HICKOK Tie Bar Clip
JIM Monogram Initial Letter Vintage PENDANT HICKOK Tie Bar Clip
H Monogram Initial Letter Name Font Vintage Tie Bar Clip
HLE Monogram Initial Letter Font Name Vintage HICKOK Tie Bar Clip
ORJ STERLING SILVER Monogram Initial Letter Vintage DB Tie Tack Lapel Pin c131