Related Clues:

• Like the little finger
• Most minuscule
• Least large
• Least
• Smallest
• Most minute
• Most trifling
• Hardest to see with the naked eye
• Most wee
• Least imposing
• Smallest of all
• I sent it, being the smallest
• That's very much like 30 across
• There's very little in one in the examination
• Very much by the minute