Related Clues:
- Bridge materials?
- Clubs, possibly, for eccentrics
- Games played with a pack
- A hand might have five
- Jacks and jokers, e.g
- Eccentric characters offering greetings by post?
- Queens, kings and aces
- Perhaps Jack's getting marching orders?
- Diamonds, maybe, found by detective sergeant beneath vehicle
- What's the big deal?
- Items used with PINs
- Nines and tens, but not elevens
- Pack of scoundrels surrounding king
- Jokers, in two senses
- There are 52 in a 52-Across