Vintage 70s dark brown leather multi pocket tote breifcase retractable handles

This briefcase belonged to my father who worked as a civil engineer. He purchased this in the late 70s after his briefcase was temporarily misplaced on a flight from PA to TX  This briefcase has 3 sections allowing for proper storage as well as a slide windows for ID, business cards or whatever you choose   The handles can be retracted for storage if needed.  Center pocket closes with long brass zipper & cord zipper pull  This dark brown smooth leather has a nice raw inner design- the outer has been used to perfection but not ruined. The leather has been conditioned properly giving it an excellent feel  Briefcase measures 11 tall x 16 wide x 2 3/4 depth  Handle extends outward 3.5 × 5.5 wide   Stored with care  Smoke and pet free environment