These were my dad's, we are finally clearing out some things from his estate.  He's been gone for many years.    These would be from the 1960-70s...

Tie bars
one is Swank brand
one is Hickok brand
i think the skull is sterling. 

one has a brown stone and i'm not sure at all what the last one is...or if it's even a tie bar at all.  It was in the jewelry box in his tie bar storage area.  

the knocker/tool show a little wear, gold has rubbed off a little.  The one with the stone is perfect.