Old tailors tool. One part seems to be a hole punch, but no idea what the semi-circle part is for. Markings read “SARGENT & CO. / NEW HAVEN, CONN. / MADE IN
Antiques, Art, Vintage
SARGENT Tools 1026 6-1/2" Side Cutting Pliers - Amazon.com
THE FAMOUS BERNARD PLIERS Tips 543 tubalcain sargent - YouTube