A suggestion for fictional currency deviations:
Super Currency: How about a highly valuable currency, one banknote could be worth a moderate house. What would it look like? be made of? how big?
Update, here's a page with some very high value bills:
viper086770.blogspot.com/2013/…And this page has the Zimbabwe 100,000,000,000 (one hundred trillion dollars) banknote that was worth about $300 USD when it was made:
www.moneychoice.org/weirdest-b…And another: the 500,000,000,000,000,000,000 note from Yugoslavia,
www.oddee.com/item_98632.aspx