Great job sapphire! Agree cogar and D&b! Also agree about a close up of the pic about a cushion. (That can be easily remedied and is okay to be missing in a piece that would be this old....)
DON'T TOUCH THE FINISH - YOU CANT GET TIME IN A BOTTLE THIS WAY!!!!!!!!!
I personally would get it appraised, hands on, by a professional. If it is a true Jacobean, or made by a cabinetmaker who copied the famous style in early America.....you could have $$$$$$$$$.