Management Section, Currency Planning Section, Office of Currency Matters, Treasury Division, Financial Bureau ![]() It is the first time worldwide for this technology to be used to manufacture ordinary coins (coins for mass production). *1 Two different pitches are applied to the helical ridges. Micro lettering and numbers will be inscribed on the inside rim of the front of the coin.Application of “helical ridges with two different pitches” to the edge of the coin.Application of new technology, bicolor clad, to the materials (two-color, three-layer structure).of the current 500 yen coin with a view to strengthening the ability to prevent counterfeiting as follows and has initiated the necessary preparations. The Ministry of Finance has decided to manufacture a new 500 yen coin by changing the materials etc. Scheduled for the first half of fiscal 2024 (April-September 2024). The position of the holograms and watermarks will vary depending on the denomination.The numerals for each denomination will be larger and placed on both sides of the banknotes.Tactile marks will be upgraded and placed in a different position depending on the denomination.(2) Universal design (for ease of differentiation among denominations etc.) Meanwhile, serial numbers will be changed from a maximum of 9 digits to 10 digits. ![]() *1 Using cutting-edge technology adopted for the first time in banknotes, the 3D portrait images rotate when tilted. Holographic stripes will be incorporated for the first time into the 10,000 yen and 5,000 yen notes, and a holographic patch into the 1,000 yen note.
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