Rare prototype side chair designed by Martin Visser and manufactured by ’t Spectrum Bergeyk 1988. This chair is the pre production of model number SE20 and was eventually made in several color combinations. This is a fully hand-painted blue example in very nice original condition. This chair comes from thee state of a former Spectrum employee who took this chair from a stock sale in the early 1990. The chair is made of plywood and is quite heavy. Partly hollow and assembled with bolts. Very nice deep blue color, the color that was later on used to produce it in. The chair is signed at the bottom with pencil; P1 which probably means prototype nr 1. Have a look at the other red and blue one we have in stock, which are identical chairs but differently finished. Important literature: 't Spectrum Moderne meubelvormgeving en naoorlogs idealisme. Uitgeverij 010, Rotterdam 2002. Page 102. This piece is attributed to the mentioned designer/maker. It has no attribution mark and no official proof of authenticity, however it is well documented in design history. I take full responsibility for any authenticity issues arising from misattribution