| Mô tả mặt trước |
Multicolour intaglio and offset print on a background underprint of ten colours; vignette of bacteriologist NOGUCHI Hideyo in front-facing bust portrait at right, with his name inscribed below in Kanji; denomination in Kanji characters at left centre, flanked by guilloche underprint with scattered '1000' numerals and Bank of Japan symbols; EURion constellation elements in the form of Sakura cherry blossoms appear left of the centre window, with a latent image reading '1000' at lower left visible at a raking angle. Security features include intaglio tactile bars at both lower corners, pearl ink along the left and right edges with a pink iridescent sheen, microtext reading 'NIPPONGINKO' in multiple locations including beneath the top denomination panels, along the upper frame, and adjacent to the portrait, as well as microtext '1000' within the Kanji denomination underprint; the Bank of Japan Governor's seal appears at lower left, and serial numbers consist of one or two Latin alphabet prefix letters followed by six digits and one Latin alphabet suffix letter. |
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Front-facing bust portrait of NOGUCHI Hideyo in the centre window, with a vertical security thread to the right of the main portrait; latent image '1000' on the obverse lower left and 'NIPPON' on the reverse centre-right cartouche, both visible when viewed at a raking angle; microtext 'NIPPONGINKO' and '1000' in multiple locations on both sides; EURion constellation elements rendered as Sakura cherry blossoms on obverse left and reverse lower right; pearl ink along the left and right edges of the obverse, appearing faintly pink at certain viewing angles; intaglio tactile horizontal bars at the lower-left and lower-right corners of the obverse. |
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The P#104 series introduced pearl ink to Japan's currency — a color-shifting element that shifts between green and magenta depending on viewing angle, one of the more visually distinctive optical security features deployed on any G7-nation banknote of the period. The mixed-fiber substrate, combining domestic mitsumata with abacá imported primarily from the Philippines, is a deliberate continuation of a papermaking tradition the National Printing Bureau has maintained for over a century; mitsumata fibers produce a characteristically soft, slightly warm-toned sheet that distinguishes Japanese banknotes from the crisper, cotton-heavy stocks used in Europe.
The EURion constellation — those small rings embedded to defeat photocopier reproduction — was quietly added to Japanese notes beginning with this generation, following a bilateral agreement with Omron Corporation, whose engineers originally developed the pattern.