Antique Mission Style Quercus (Oak) T-Back Side Chair Frame

This is an antique Mission or Arts and Crafts style side chair frame, likely dating from the early 20th century (circa 1900-1920). The chair is constructed primarily of quarter-sawn oak, displaying the characteristic prominent medullary rays and 'flake' grain pattern associated with high-quality Mission furniture. It features a distinct 'T-back' design with a broad vertical central splat intersecting a flat horizontal top rail. The construction utilizes mortise and tenon joinery, reinforced with corner blocks in the seat frame for structural stability. Historically, this frame would have supported a drop-in seat, likely upholstered in leather or fabric, which is currently missing. The finish appears to be an original or early medium-brown stain with a soft patina. Condition-wise, the frame is incomplete due to the missing seat. There is visible wear throughout the wood surface, including scuffs on the legs, small nicks on the top rail, and general softening of the edges consistent with age and regular household use. The legs are squared and straight, connected by side and front-to-back stretchers, typical of the sturdy, functional aesthetic of the Arts and Crafts movement. No visible maker's marks or stamps are discernible in the provided image.