The Extreme Engineering Mass-Producing Gold Coins

#gold #mintingerrors #engineering #techdocumentary #Manufacturing #billion #goldcoins Inside a high-security mint, see how pure 24-karat gold coins are made from raw bullion bars into high-value currency. This engineering documentary breaks down how gold coins are minted, from chemical refining and continuous casting to high-pressure coining dies. This episode explores sub-micron edge lettering, 1,000-ton hydraulic stamping pressure, and automated micro-laser security features inside the world's most guarded financial facilities.