Architect Alphonse Siebers (1893-1978) period: 1960s origin: The Netherlands dimensions (cm): h94 x w64,5 x d65 cm (sh52 / ar72 cm) dimensions (inch): h37,01 x w25,39 x d25,59 in (sh 20,47 / ar28,35 in) material: leather, wood Two desk chairs available. Price per piece. I have official proof of authenticity such as vintage catalogs, designer records, or other literature sources and take full responsibility for any authenticity issues arising from misattribution