Object: 2 x armchairs design: attributed to marcel kammerer (vienna, around 1910) model number: symbiosis (luxury version) from model 6522 & 6528 (for gebrüder thonet) version: mundus (vienna, around 1915) – trademark 1 (from 1907) dimensions in cm (h x w x d x sh x sb x st): 79.5 x 59 x 61 x 53 x 53 x 56 material: bentwood, oak, leather, brass condition: professionally restored (shellac hand polish) this piece has an attribution mark, i am sure that it is completely authentic and take full responsibility for any authenticity issues arising from misattribution