Vintage Falcon style chairs Joe Rufenacht in tan leather

Set of four highly desirable falcon style dining chairs by Joe Rufenacht. 
In choice tan leather with deep buttons. 

Recently leather conditioned and timber oil treated.  

Dimensions-
780 h x 540 w x 550 d mm
470 seat h mm

Condition-
Some wear to the leather on the seats. One chair has damage to the underside. All hold structurally strong.