Possible Clues:

• In Russia, for what it's worth, this might cause a spot of bother after tea
• Russian currency (Var.)
• After tea this could cause some distress in Russia that could be worth something
• Problems, first off, for foreign currency
• Currency of 13
• Money you could fritter or blue
• Currency problem when short of time
• There's no time to agitate for currency
• Russian ready to skim surface of deep water
• Time to avoid disturbance, being ready in Belarus