Gold Alfa Crest — 2 museum-grade prints in this palette. Approximately eighteen Alfa Romeo 33 Stradale examples were built from 1967 to 1969. The 2. The Alfa Romeo 33 TT 12 crowned Autodelta's mid-1970s sportscar campaign, winning the 1975 World Championship for Makes with a flat-12 engine related to the Tipo 33 road programme. At Le Mans the cars battled Mirage and Porsche prototypes in an era of fuel crises and shifting regulations, carrying Alfa's quadrifoglio identity onto the world's most visible endurance stage.