Bonhams : Pier Giacomo and Achille Castiglioni 'Arco' floor lamp, designed 1962
Italian Arco Floor Lamp by Achille Castiglioni and Pier Giacomo for Flos Mid Century Modern Lighting - Etsy UK
Arco K Floor Lamp, Crystal - Flos @ RoyalDesign.co.uk
Rago Auction - Visit 24 rooms designed around the Arco lamp by Achille Castiglioni and Pier Giacomo Castiglioni for FLOS. These are quite heavy, so to move this lamp you need to