SWANK, gold, 6 grams, very good condition. one Collar Bar as follows. I HAVE HUNDREDS OF TIE TACKS, TIE BARS AND CUFF LINKS. 0.25" = 1/4" or 6mm - pretty small for standard button holes. 0.38" = 3/8" or 9mm - also fits standard button holes.
This product would be a great fit for those looking for a modern and stylish collar bar in a compact size for formal settings.