Eero Aarnio Set of 4 “Ruuto” Birchwood Dining Chairs for Asko, 1990sRare set of four dining chairs designed by Finnish designer Eero Aarnio and produced by Asko. Known as the Ruuto chair, these feature a distinctive square grid backrest crafted in solid birch with a warm natural finish. Aarnios playful yet functional design language is evident heresculptural, minimal, and highly architectural. All four chairs are in excellent vintage condition, with only minor signs of wear consistent with age. The natural birch