Related Clues:
- Christmas missives
- Birthday missives
- Pack carriages with five hundred on board
- Names of books etc.
- Championships at Lords, say
- Championships given TV credits
- 52 in a pack
- Game entertaining people
- Characters issuing invitations
- See 6 across
- Pieces of stiff paper
- What footballers try to avoid in clubs, for example
- Knaves with Queen in poker, for example
- Jokers perhaps, conveying Easter greetings
- Christmas arrivals may be jokers