THIS IS AN OLD CASE XX!  Right from an estate sale. 
 
CASE XX model 6207.  Made between 1940 to 1964.  
 
Condition:  Handle material has no chips.  Opens as it should.  Both blades still have snap on full open, half stop, and close.  Both blades have been sharpened down.  SEE PICTURES.
 
3.5" long when closed.  Double blade.
 
Genuine red bone scales.
 
Location D2-20