There is an extra stretcher above the finials on the arm supports.
Herringbone weave, Hickory Bark seat appears to have been varnished at some point. The front and side splints are broken from age.
Cane seat back is wrapped around top and bottom slats of the seat back. The front side is a tighter herringbone weave than the back side. I was unable to locate any seam.
All joints are solid, exhibiting no cracks and seemingly, no repairs.
My limited research leads me to believe it could be as early as the mid 18th C. to the early 19th C. If I knew what the wood was, I might know where it was made, and how old it is.