USA/Barber Quarter CE 1892-1916, a buried single find

AR Quarter Dollar (24mm, 5.8g) 3,480,450 mintage Philadelphia mint 1915

KM #114

In 1984, I was helping a friend remove a stump from his backyard and while washing off some of the roots that had been about 2-4"(5-10cm) below grade so we could remove them, I noticed a glint in the sunshine. We stopped our work momentarily and washed off what turned out to be a 1915 quarter that based upon wear likely circulated for some time before being lost at the base of his old oak. The property where the coin was found had a house on it that dated from 1848 so it was possibly lost by someone who lived there in the late 1920's or 30's perhaps. My friend told me to keep the piece and I've had it these thirty years as a memento from that day and the oldest coin I've found on purpose or by accident in the USA. The patina is much nicer in hand and is as found.