Possible Clues:

• Buck oversees trendy return to old French capital
• Unit of weight of silk or nylon
• Silk measurement
• Old coin, restricted, being brought back
• Atheist, to a believer
• One who doesn't believe measure of yarn's quality
• Measurement of fineness in silk, nylon etc
• One rejects measure of silk
• Measure of the fineness of silk or nylon
• Threads' weight unit