lot antique & vintage carpentry tools clamps Armstrong w/forge mark

Lot of four assorted old and antique carpenter or handyman "C" style clamps. These are all made by different tool companies, such as Armstrong Tool Co(with the raised "Strong Arm" with hammer forge mark), "Cincinnati Tool Co - No 54 Super Jr.", "B & C Co" etc. These clamps can open to take a 2 inch thickness for clamping. They have a patina of age and rust to the iron.