Related Clues:
- Not as likely to pop up
- More enticing to a philatelist, say
- More valuable, as coins
- More valued, in a way
- More valuable to collectors
- More commonplace
- More valuable, perhaps
- Not as numerous
- Harder to hunt down
- More rare, as steak
- Not seen as much
- Not so easy to get one's hands on
- Having a pinker center
- Tougher to find
- Redder inside