About Bed Sigma with low headboard / Slat 200, frame made in steel or bronze headboard matlassé with soft leather cat. B+C. Code bed: 2059/200M. Bed available: With box, only for Slat 160 or 180. Slat 160 and 180. Upholstery with fabric cat. A, Leather Cat. C and D matlassé either smooth.