16mm(width)×18mm(length) AUTODELTA is the traditional name of the Alfa Romeo works racing team.
In the 1960s, with the Giulia GTA, Alfa Romeo made an impressive run in the ETCC European Touring Car Championship, and in the 1970s and 1980s, it participated in the Formula 1 Grand Prix, and in recent years, with the 156, it has participated in the ETCC.
This is the latest CI design type pin badge of the AUTODELTA emblem, which is an indispensable part of Alfa Romeo's racing history.