This is a LOT of 4 vintage major name brand knives that are in VERY GOOD CONDITION.  The brands are IMPERIAL,  HAMMER BRAND,  PROV. CUT CO. and BEAR MGC.  All work properly and there are NO broken blades or cracked handles. They have not been cleaned or polished by me and are in as-found condition.  All were made many decades ago in the UNITED STATES.  Please see the pictures. 

1.)  The 2-blade MUSKRAT from IMPERIAL KNIFE CO. measures nearly 3" long closed and has a is 2.2"" long Clip point blade and a 1.5" Pen blade made of STAINLESS STEEL.  It has NICKEL SILVER BOLSTERS and the blades look like they have barely been used.  It still has SNAP and NO WOBBLE when open.  Both tangs are stamped IMPERIAL over STAINLESS over U.S.A.  It has faux MOP handles with the Imperial Badge on the front side. 

2.)  The 2-Blade TRAPPER from HAMMER BRAND measures 3.2" long closed and has 2.4" long Clip Point blade and a 1.6" long Pen blade made of CARBON STEEL.  It has NICKEL SILVER BOLSTERS and has NO WOBBLE when open.  It has Yellow SHELL HANDLES that are in excellent condition.  The tang is stamped HAMMER over BRAND with their Arm and Sledge logo on the left.  The Pen blade is stamped with Pat. Nos. owned by Imperial. 

3.)  The 2-Blade TRAPPER made by PROV. CUT CO. measures 2.75" long closed and has a 2" long Clip point blade and a 1.3" long Pen blade made of CARBON STEEL.  It has NICKEL SILVER BOLSTERS and jigged reddish brown Delrin handles. The tang is stamped PROV. CUT CO. over PROV. R.I. U.S.A. 

4.)  The cute little single-blade knife was made by BEAR MGC in Birmingham, Alabama.  It measures 2.25" long closed and has a 1.75" long Spearpoint blade that looks like it has never been used.  This is a LOCKBACK knife and it is rock solid when open.  It has a NICKEL SILVER BOLSTER and a BRASS LINER.  The handles are made of HARDWOOD.  The tang is stamped BEAR MGC over USA with 4 dots on either side.  The company later changed its name to BEAR & SONS.  The blade has NALCO etched on it.