Series of 7 solid walnut chairs circa 1870

Series of 7 chairs in solid walnut circa 1870 composed of 4 chairs of the model and 3 others of the model also highlighted with a black extension the set with 2 casters at the front they are solid and stable and without wormholes dimensions 47 cm by 43 cm and 90 cm in back height and 46 cm in seat height.