Vintage Monogramed Swank Tie Dangle Clip with the initials HA.
On the back it reads "Sterling Silver 925 PAT NO. 1865995"
Very good condition. A bit tarnished but could be polished up.
A stone could even be placed in the middle area.
The part with the lettering measures 1" x 0.5" and weighs 4 ounces.