Related Clues:

• Special case of a number reduced by 50 within month
• Old man almost involved in some irregularity
• Scientist has base taken off round collector's item
• Intriguing object
• One of the six quark flavours
• Primarily collectible, usually rare, intriguing object
• Something not normal
• First of results excluded from a standard year, as this?
• Quark flavour; odd state
• Unexpected result from a standard year - that's not right
• Something deviating from the normal
• Copper has curtailed disturbance - it's an odd thing
• Odd quality
• Scoundrel with ring, one pocketed as collector's item
• Order a learner to stop any eccentricity