Set of 4 brutalist, handmade dining table chairs by Jacob Kielland-Brandt for I. Christiansen, Denmark 1960s. 
Dark brown stained solid pine. 
Goodvintage condition.
There are signs of wear on the seat and backrest. 
Dimensions: 
W: 46,5 cm
D:  47,5 cm
H: 75 cm
seating height: 41 cm.