Japan 1984 (S59) yen

from the Mountain Groan Collection

from the Stonecat Collection

This specimen was struck for Japan by the Tokyo mint, which issued this type in immense quantities 1955-89. The aluminum yen was introduced in 1955 as part of Macarthur's currency reform of 1948, which dropped all denominations under one yen. A similar type was issued under Akihito's name, tho mintages dwindled after the late nineties. The last date struck for circulation was 2009. Today (July 2024), US$1 = 154 yen.

Recorded mintage: 981,850,000.

Specification: 1 g, aluminum, 20 mm diameter, plain edge.

Catalog reference: KM Y74.

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:

• 1976 yen
• 1983 5 yen
• 1983 50 yen
• 1984 10 yen
• 1987 (S62) yen
• Coins and currency dated 1984