This is a new old stock still sealed locking fuel cap by Mafco - it includes the two keys. Part Number 1046
Applications are
AUDI
80 1984 -1987
90 1984 -1987
100 1984 -1987
200 1984 -1987
Quattro 1984 -1987
GT 1984 -1987
PEUGEOT
604 November 1976 - 1983
VOLKSWAGEN
Passat 1984 - 1987
Scirocco GTX 1984 - 1992