Overview
- Christie's confirmed the fully functional WWII-era device sold to an anonymous buyer in Paris.
- The machine came from a French collector before the sale.
- The M4 is housed in a wooden case and features a keyboard and four rotors.
- Christie's said the price far exceeded pre-sale expectations.
- The result surpasses a prior public benchmark set in 2015, when an M4 sold for $365,000 at Bonhams in New York.