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Tabouret piano vannes
Source google image: https://www.dorelami.fr/media/catalog/product/cache/1/image/980×600/e5c3f25dbe2a3021345b55270d5894a1/b/a/banquette_piano_stagg_concert_pb_85_bpk_lbk_noir_brillant/banquette-piano-stagg-concert-pb-85-bpk-noir-brillant-30.jpg