Related Clues:

• Like proverbial hen's teeth
• Short of medium
• Hardly seen
• Hardly well done
• Like inverted Jenny stamps
• Almost unique
• Undercooked
• On the pink side
• Tough to catch
• "... and ___ to rise ..."
• "___, medium or well-done?"
• Way before deadline
• Almost unobtainable
• Ahi specification
• Not abundant