There have been some insert cards throughout the sets all are listed here.
1963 Why is Crown Cup Medium Roasted

1963 3 Crown Cups and Saucers

1964 Danish designed tableware two different cards

Variation
1965 Radio London 2 cards

1966 Six piece cutlery set 2 cards


1977 Play better soccer insert card
1977 Insert Card in D and Choice packs informing that cards will not be these packs any longer
1997 PG Tips Calendar insert card, pgtips calendar advert and order form, issued in the early months of 1997.
