Related Clues:

• To the nth degree
• Hardly commonplace
• Very, informally
• Sound starter
• Pink, say
• Still red inside
• Hardly a moderate
• Numismatist's classification
• Prefix meaning ''extremely''
• Very hard to find
• Big, in adspeak
• Steak specification
• Prefix with byte or bucks
• Most uncommon
• Once-in-a-blue-moon