Unghie quadrate vecchie 1” 50 usate anni 1850 vintage arrugginite 3/16” testa grande bianco lavaggio
These would have been used on plaster lath in old houses and many other uses. These nails likely were machine made in the mid 1800’s to the early 1900’s. The heads are 3/16" round and the nails are 3/32" square.