History of Japanese Paper Currency（Heisei era, Reiwa era）
update：2024/3/28
Heisei 2（1990）
History of Japanese paper currency
The alphanumeric serial number color of the Series-D 1,000-yen notes was changed from black to blue since all the serial numbers had been used up.
Major events
Postal rate
Envelopes (25g): 62 yen
Postcards: 41 yen
Heisei 5（1993）
History of Japanese paper currency
The design of notes for three denominations was partly changed to enhance anti-counterfeiting effects (intaglio micro letters, luminescent ink for the seal part, change of alphanumeric serial number color to bronze).
Major events
- Formation of the Coalition Cabinet
Heisei 12（2000）
History of Japanese paper currency
The alphanumeric serial number color of the Series-D 1,000-yen notes was changed from brown to dark green since all the serial numbers had been used up.
The Series-D 2,000-yen note was issued.
Major events
Postal rate
Envelopes (25g): 80 yen
Postcards: 50 yen
Heisei 16（2004）
History of Japanese paper currency
Series-E notes with the simultaneous design changes of three denominations were issued.
Heisei 23（2011）
History of Japanese paper currency
The alphanumeric serial number colors of the Series-E 10,000-yen notes and Series-E 1,000-yen notes were changed from black to bronze since all the serial numbers had been used up.
Heisei 26（2014）
History of Japanese paper currency
The transparent hologram layer of the Series-E 5,000-yen notes was enlarged to enhance distinguishability. In addition, the alphanumeric serial number color of these notes was changed from black to bronze.
Major events
Postal rate
Envelopes (25g): 82 yen
Postcards: 52 yen
Heisei 31（2019）
History of Japanese paper currency
The alphanumeric serial number color of the Series-E 1,000-yen notes was changed from brown to dark blue since all the serial numbers had been used up.
Reiwa 6（2024）
History of Japanese paper currency
Series-F notes with the simultaneous design changes of three denominations were issued.
Postage fees change: “Postal Statistics” (edited and published by Management Planning Division of Postal Bureau, Ministry of Posts and Telecommunications)