Leonardo da Vinci
- Leonardo da Vinci – Wikipedia
Leonardo di ser Piero da Vinci (Italian: [leoˈnardo di ˌsɛr ˈpjɛːro da (v)ˈvintʃi] ( listen); 15 April 1452 – 2 May 1519), more commonly Leonardo da Vinci or simply Leonardo, was an Italian polymath whose areas of interest included invention, painting, sculpting, architecture, science, music, mathematics, engineering, literature, anatomy, geology, astronomy, botany, writing, history, and cartography.
- Milled coinage – Wikipedia
In numismatics, the term milled coinage (also known as machine-struck coinage) is used to describe coins which are produced by some form of machine, rather than by manually hammering coin blanks between two dies (hammered coinage) or casting coins from dies.
- Coining technology — Part 3: Machine mintage of testons and thalers …
At the end of the XV century — early XVI century Europe saw the rise of trade relations with the sharp increase in cash flow. At the same time begins the influx of a large amount of silver from America, where the Spaniards discovered rich deposits.