This is the sole survivor chassis of the Alfa Romeo works team that raced in the 1924 Targa Florio. It is believed to be #11 car of Count Giulio Masetti - 2nd OA.
It was commissioned by the Portoguese racing driver Henry Lehrfeld. It ran and won the 1930 Setúbal Start Kilometre and 1934 Circuito Internacional de Vila Real.