1 Yen 1989 (1) - 2019 (31) (一 円 )

Japonia - Japan - 日本国 (Nipponkoku)

1990 (Heisei anul 2 - 平成二年) Tiraj - Mintage - 2 768 753 000

1998 (Heisei anul 10 - 平成十年) Tiraj - Mintage - 452 412 000

Număr catalog - Catalog Number ~ Y#95.2
Material ~ Aluminiu - Aluminum
Diametru - Diameter ~ 20,00 mm
Masă - Weight ~  1,000 g 
Tip muchie - Type Edge ~ Netedă - Plain