Related Clues:

• Less common initially, Art and English being interspersed among reading, writing and arithmetic
• More unusual notes separately stored by educational foundation?
• Retired generation breaking rules? It's less common
• Harder to grab hold of
• Exist in Rolls Royce, that's more uncommon
• Redder in the middle
• Not seen as frequently
• Redder inside, perhaps
• Less common, and more lightly cooked
• Harder to hold
• More precious, perhaps
• More valuable to a collector
• More pink, in a way
• More desirable, to a collector
• Like perfect games vis-à-vis no-hitters