Vintage Quebec 69 Spider Chair by Les Amisca The Quebec 69 Spider Chair by Canadian post modern Design Group Les Amisca features a bold exoskeleton of tubular steel, punctuated by a circular seat and backrest. Calling on tropes of Art Deco and the Machine Age, this chair serves as both a functional chair and a study of form. This chair has a unique semicircular leg design and has a minimalist circular seat and seat back. This seat is perfect for your patio or sun room.