A 1933 Porsche Type 64 commissioned by the German Nazi government was showcased to be put up for auction as part of Monterey's 2019 Carweek in Pebble Beach.
RM Sotheby's COO, Alain Squindo, said "We expect a catalogue estimate in excess of $20-million.
The event runs from 9 to 18 August and culminates on Sunday with 200 of the best collectors car roll onto the 18th fairway of the Pebble Beach Golf links for the world-renowned Pebble Beach Concours d'Elegance.