The earliest use of paper money is probably the reference to be found in the Travels of Marco Polo (ii. 18), who states that it was extensively used in China.
Among the obsidional coins Mailliet (lxxi. lxxii.) mentions various denominations from five to thirty Sols issued at Leyden when besieged by the Spaniards in 1574, which are supposed to have been made from the leaves of missals. See Sao.
Source: Frey's Dictionary (American Journal of Numismatics, Vol. 50, 1916)