Possible Clues:

• Old money having strong investment in pound, mother's ruin reversed
• Coin once found in north-east France pocketed by doctor from south
• Old German penny, one hundredth of a pre-€ Deutschmark
• Greedy guts swallowing last of bacon on soggy ground bread once
• Old coin, Chinese one with note in typical moneybox?
• Old German monetary unit
• Old German currency unit
• Swine seizes two keys and two notes, money used abroad once
• Mark's part of following into writing that’s put out one November
• Mark's part is what's difficult, involving money from China and Norway