Related Clues:

• Less likely
• Less frequent
• Pinker, perhaps
• Harder to dig up
• More interesting to a collector
• Less well-done, as steak
• Harder to locate
• Not so well done
• More pink, often
• Less brown
• Less encountered
• Done less?
• Harder to spot
• Not as likely to pop up
• More enticing to a philatelist, say