Japan 1989 (H1) 10 yen

from the Mountain Groan Collection

This ten yen was the first issued for the emperor Akihito. It superseded a similar type struck for Hirohito 1959-89. It was continued in production 1992-2015 as KM Y97.2 with the regnal date rather than "first" on the obverse.

Recorded mintage: 666,108,000 plus 200,000 proofs.

Specification: 4.5 g, bronze, 23.5 mm diameter.

Catalog reference: KM Y97.1.

Source:

• Michael, Thomas, and Tracy L. Schmidt, Standard Catalog of World Coins, 1901-2000, 47th ed., Iola, WI: Krause Publications, 2019.
• The Catalog of Japanese Coins and Banknotes, Tokyo: JNDA (Japanese Numismatic Dealers Assn.), 2014.

Link to:

• 1983 50 yen
• 1983 500 yen
• 1984 10 yen
• 1987 (S62) yen
• 1987 (S62) 100 yen
• 1987 (S62) 100,000 yen, 60th anniversary of Hirohito's reign
• 1990 (H3) 100,000 yen, enthronement of Akihito
• 1998 10 yen
• Coins and currency dated 1989
• return to coins of Japan