Related Clues:
- Self-survival centers
- Employee cards and such, briefly
- Credit cards, at times
- Passports and such
- Driver's lic., etc.
- Employees' photo cards: Abbr.
- Cards shown to bouncers
- See 51 Down
- Badges, e.g., in brief
- Photo badges and such
- They're often displayed in bars
- Wallet items, informally
- They're checked at some doors
- Freudian parts
- Proof-of-age items: Abbr.