I HAVE HUNDREDS OF TIE TACKS, TIE BARS AND CUFF LINKS. cuff links: none. tie bar/tack: 0.62" x 0.62" (approx. 5/8" x 5/8" or 15.5mm x 15.5mm). collar bar: none. 0.25" = 1/4" or 6mm - pretty small for standard button holes.
American Legion Vintage Tie Clasp
SINGLE (1) 11/16" American Legion Vintage LARGE Formal Tuxedo Shirt Stud f18
US American Legion Vintage Tie Bar Clip
American Legion Vintage Screw Back Lapel Pin fraternal
ALA Junior American Legion Auxiliary Vintage Screw Back Lapel Pin o01
(2) Vintage American Legion Tie Lapel Clip Gold Tone Metal Clear Dome Logo