Today, the circulation of currency _ almost exclusively U . S . dollars, German marks or Italian lire _ is essentially a smugglers'monopoly.
2.
The coinage, continuing the Bank of Italy is an expression of state sovereignty, and therefore " " the value of the currency draws its basis only and only by rules of the road, which, usually, regulate in detail the creation and circulation of currency shall stipulate the discharging effect, punishing the failure to accept it as payment and protect the public trust against the falsification and alteration . ""