Bibliography m. Romanelli, s. Severi, gino sarfatti: selected works 1938-1973, p. 477, silvana editore, 2012. 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, up to 250v (europe/uk standard).the wiring of this item may be original and might need replacement, if not specified otherwise.