Vintage Swank Silver Tone Tie Bar Clip Black Cabochon Diamond Shape MCM 1960s

Corporate mid century menswear meeting. Thursday afternoon.  You're holding this vintage Swank tie bar clip — silver-tone finish with black cabochon diamond-shape accent, MCM 1960s men's accessory look, and proper old suit-drawer confidence.  A guy notices it immediately while pretending to understand tie bars. He asks if that's Swank. You ignore him. Six minutes later he appears near the table and asks again, this time whispering black cabochon like one tie clip just joined a private club for very serious neckties. You continue walking. By lunch he's recruited two cufflink collectors, a vintage menswear guy, and one man who keeps saying diamond shape like the tie bar is about to propose to a skinny 1960s necktie.  They're standing around the clip like they're deciding whether the entire display should be reorganized by silver tone, black stones, mid century geometry, and quiet executive power.  Nobody remembers what they came in for.  The Swank tie bar has become the dress code.