Black Agate White Striped Stone Quality Vintage Tie Tack Lapel Pin q91

I HAVE HUNDREDS OF TIE TACKS, TIE BARS AND CUFF LINKS. cuff links: none. I always try to point out any clear blemishes and condition. Color: silver, black, white. collar bar: none. 0.25" = 1/4" or 6mm - pretty small for standard button holes.