I HAVE HUNDREDS OF TIE TACKS, TIE BARS AND CUFF LINKS. cuff links: none. tie tack/bar: 0.38" x 0.38" (3/8" x 3/8" or 9.5mm x 9.5mm). I always try to point out any clear blemishes and condition. collar bar: none.
The "W Monogram Initial Letter Vintage SMALL Tie Tack Lapel Pin" would be a perfect fit for those who value understated elegance and personalized adornment for formal occasions.