I HAVE HUNDREDS OF TIE TACKS, TIE BARS AND CUFF LINKS. cuff links: none. tie bar/tack: 0.48" x 0.75" (approx. 1/2" x 3/4" or 12mm x 18.5mm). collar bar: none. 0.25" = 1/4" or 6mm - pretty small for standard button holes.
American Flag Bow Brooch Pin, United States Country Ribbon Pin for Clothes, Vintage Lapel Pin Accessories for Men Women, Metal, rhinestone
Treasury Department 15 Year Service United States Vintage Lapel Pin NO PIN m102
Bowling Pin League Bowler Gold Tone Vintage Lapel Pin sports i137
White Gold Plated Forget Me Not Pin Badge for Women, Elegant Floral Crystal Brooch with Gift Box, Handmade Jewellery Gift for Mum Sister Wife, Vintage Lapel Pin for Coat Scarf Bag
1852 AGE Associated Gas & Electric System Vintage Lapel Pin m103
Protected Home Circle Mutual Life Insurance Co Vintage Lapel Pin t111