Vintage and from the same estate sale....
 
Cattaraugus, Ulster 183, and Boker 9908.
 
Great knives in their prime but now selling for parts or repair.  Great chance for someone who refurbishes old knives!
 
The oldest one (Cattaraugus) is authentic jigged bone.  The other two appear to have delrin handles.
 
Condition:  Selling for parts or repair.  Two are missing their badges.  One has broken blades.  All bolsters appear to be in good shape.  
 
SORRY I WOULD RATHER NOT BREAK UP THE SET.
 
Location E2