Antique quarter sawn oak. Mortise and tenon joints. Originally had a caned seat that sagged and then horse hair for padding and leather seat cover were added. It is one of 6 chairs. The cutouts on the slats are unusual. I had Barnaby's appraise it but they described it as "An American stained oak dining chair, in the Secessionist style."
private party.
This is an antique, early 20th century, about 1900 - 1915, quarter-sawn oak chair from the Mission/Arts & Crafts era. Without a maker label, stamp or tag, the manufacturer cannot be definitively stated. These are likely American, though they could have also been produced in England. The Vienna Secessionist era was concurrent with the Mission/Arts & Crafts era and the reticulated, or pierced cut, back splats do have a Secessionist influence to them. This could also be said for the Glasgow School style during the Mackintosh era. There is screwed in hardware as seen on the underside that is not mortise and tenon construction. The estimate is for a single chair and is based on actual recent past recorded auction sales of comparables. Retail 'asking prices' can be higher and vary.