The smallest one is just under 1.5". My lawn mower guy got ambitious this week and mowed clear to the creek. I suppose I could go pan some gold...but its too hot today.
I cheated a little on the eye chart. Anyway, the one on the left is probably a Brewerton side notched, the middle a Susquehanna Broadspear and the one on the right a Hopewell Point, Found on Hopewell Road, Hopewell Township, Ohio. Neat. Really, that's the area the material was mined by the Indians.