Old Hartley standing stone

Standing stone marked as 'Stone' on the Ordnance Survey 1897 25 inch map. It is not shown on previous or subsequent editions. Images are available on the internet but no antiquarian references are known. The stone was reported by a member of the public to have disappeared in 2021, having been leaning about 20 degrees from vertical. The field contains medieval ridge and furrow (HER17594) indicating that the stone is post-medieval in date. Its purpose is unknown.