Original Vintage French Poster Advertising "Emprunt National" National Loan by Merinnier 1920 An advertising poster for the Royal Bank of Canada (France), realized in the 1920, in regards to the French national loan. Emprunt National (national debt) is a financial long-term debt of the State to its citizens. This loan is initiated when public finances are poor and that the state is struggling to borrow on ancillary markets such as those for government borrowing.