Related Clues:
- Numbers on some birthday cards
- Improves, as steak
- Passports etc
- Driver's licenses, birth certificates, etc
- Gets ripe
- It's been a long time since know-alls lost the head
- Proofs of age (Abbr.)
- 10 and 8 for Bart and Lisa Simpson, respectively
- Seasons, as firewood
- Numbers in family-photo captions, maybe
- Bouncers' requests, often
- Numbers on educational toys
- They contain libidos
- Some cards with pics
- What bouncers check, for short