I HAVE HUNDREDS OF TIE TACKS & BARS, COLLAR BARS, STUDS AND CUFF LINKS. cuff links: none. tie tack/bar: 0.39 " x 0.50" (approx. 3/8" x 1/2" or 9.5mm x 12.5mm). collar bar: none. I always try to point out any clear blemishes and condition.
The "N Monogram Initial Letter Vintage Tie Tack Lapel Pin niles nolan ned norman g06" product would be a perfect fit for formal occasions where a vintage and personalized touch is desired, such as a dress code wedding or a black-tie event.