Japan 500 Yen (2001) Specifications
Verify official mint weight in grams, millimeter dimensions, obverse and reverse engravings, and roll weights for the Japan 500 Yen (2001) coin.
Obverse, Reverse & Technical Registry
Coin Imagery & Details
Flowering Paulownia plant (Paulownia tomentosa) in the center flanked by raised horizontal security ribs containing the state title '日本国' (State of Japan) above and the denomination '五百円' (500 Yen) below, bordered by a beaded circle.
Large numeral '500' in the center featuring a vertical latent security image reading '500円' inside the two zeros when tilted, flanked by bamboo leaves at the top and Tachibana mandarin orange branches at the sides, with the regnal date '平成十三年' (Year 13 of Heisei / 2001) below.
Diagonal (helical) slanted reeding along the entire circumference as an anti-counterfeiting measure.
Struck in an alloy of 72% copper, 20% zinc, and 8% nickel. Introduced in 2000 (Heisei 12) to replace the older cupronickel 500 Yen coin due to widespread vending machine counterfeiting. Features micro-lettering spelling 'NIPPON' and latent security imagery inside the zeros. In 2001 (Heisei 13), an additional 238,000 collector Proof coins were struck.
Official Mint Specifications
500 Yen (2001) Scale & Roll Weights
Enter a coin quantity or type your digital scale reading in grams to calculate exact roll totals:
Japan 500 Yen (2001) Coin FAQ
The official Japan 500 Yen (2001) coin from Japan (Krause catalog reference Y# 125) has a standard mint weight of 7.00 grams (0.2251 troy oz) and a diameter of 26.50 mm with an edge thickness of 1.81 mm.
Verify 7.00 g ToleranceBased on a single planchet mass of 7.00 g, a 25-coin bank roll of Japan 500 Yen (2001) weighs 175.00 grams (5.626 oz t), a 40-coin roll weighs 280.00 grams, and a 50-coin full roll weighs 350.00 grams (excluding paper wrapper weight).
Open Coin Roll CalculatorWith an official diameter of 26.50 mm and thickness of 1.81 mm, the Japan 500 Yen (2001) requires a direct-fit or ring-fit acrylic capsule matched to 26.50 mm. The planchet is struck in Copper, Nickel, Nickel-Brass, Zinc.
Match 26.50 mm Capsule Size