After the Paleo Period ended, with the demise of the large megafauna such as Mammouth, Mastodon and Giant Bison, the point types changed to notched bases and later to stemmed points.
They'd hope to sell it on for £9,580, which on the face of it is a healthy £2,150 profit.
But it's not all standing around in Arthur-Daley sheepskin coats, puffing oversized cigars and complaining about "her indoors".
In the study of the typology of projectile points used by prehistoric Americans during the Paleo and Archaic Periods in the Carolinas and Virginia, there seems to be only four types generalized by the point bases.
The lanceolate type is straight sided without any notches or stems and is primarily known for the Clovis and Dalton styles of the Paleo Period, circa 10,000 to 8,000 BC.
As a private buyer you have to do some work to reap these sizeable savings.