Ienum
Ienum (Iaponice 円, en, vel 圓, en; signum ¥ et ISO 4217 JPY) est moneta Iaponiae.

Notae

Bibliographia 
 Medhurst, Walter Henry. 1830. An English and Japanese, and Japanese and English Vocabulary: Compiled from Native Works. Batavia, Dutch East Indies: [s.n.]. OCLC 5452087 
 Hepburn, James Curtis. 1867. A Japanese and English Dictionary. Shanghai: American Presbyterian Mission Press. OCLC 32634467 
 Titsingh, Isaac. 1834. [Siyun-sai Rin-siyo / Hayashi Gahō, 1652]. ''Nipon o daï itsi ran; ou, Annales des empereurs du Japon. Paris: Oriental Translation Society of Great Britain and Ireland. OCLC 5850691

 Oeconomia Iaponiae
 Ryō (nummus)
 Wadōkaichin

Nexus externi 

 Moneta Iaponiensis FAQ in Museum Monetarium, Bank of Japan
 Pecunia in Iaponia: libellus viatorum
 Nummi Iaponenses (index et pinacotheca)
 Charta: U.S. dollar in yen
 Charta: 100 yen in euro

Verba Iaponica
Nummi