Possible Clues:

• Have some hesitation if it was worth so little
• Mass removed from concertina after small hesitation
• Moral difficulty has little weight
• Moral qualm
• Doubt cryptic clue's about Republican and later power
• Qualm or principle
• Clue with PRS resolving moral doubt
• Apothecary's measure
• Senior common room raised the French moral doubt
• Small wrinkle (not medium) causes moral difficulty