Possible Clues:

• Page Finn spoilt, leaving a bit of a mark
• It was once needed by Germans making their mark
• Writer upset drink over fine foreign coin
• It's very little money to some Europeans
• One / One-hundredth of a Deutschmark
• It's been abolished, not having made much of a mark
• German coin and Chinese one, new, in typical money box?
• Minor change in German banking system
• Formerly one hundredth of a Deutschmark
• Mark fraction