GFA Shield Vintage Tie Tack Lapel Pin sports fraternity sorority pledge D70

(I HAVE HUNDREDS OF TIE TACKS, TIE BARS AND CUFF LINKS. cuff links: none. 5/8" or 15.5m m). collar bar: none. I always try to point out any clear blemishes and condition. 0.25" = 1/4" or 6mm - pretty small for standard button holes.