Standard for 700 and Monza's models.
Optional for 500's as a factory or dealer options.
1962 used the same wheel cover with inserts.
1963 used the same wheel cover with inserts.
1964 used the same wheel cover with inserts.
500 & 700's used the triangle insert.
Monza 900's used an insert with a Monza cross like the side emblem.
Monza Spyder's used an insert with a Spyder.