Vintage and from the same estate sale.
 
COLONIAL USA advertising pocket knife.  Hard to find petroliana advertising!!
 
"CENTRAL OIL FIELD SUPPLY CO. OF LOGAN etc."
 
Condition:  No cracks or chips on either handle.  Blades could use a cleaning polishing if wanted.  All blades open as they should.  Light snap left.
 
2 3/4 long when closed.
 
Location E2