On this day in 1980, American oil tycoon Armand Hammer pays $5,126,000 at auction for a notebook containing writings by the legendary artist Leonardo da Vinci. The manuscript, written around 1508, was one of some 30 similar books da Vinci…
On this day in 1980, American oil tycoon Armand Hammer pays $5,126,000 at auction for a notebook containing writings by the legendary artist Leonardo da Vinci. The manuscript, written around 1508, was one of some 30 similar books da Vinci…