Oracle

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Which country's 5-yen and 50-yen coins have a hole in the middle? Answer with the country name only.

Answer

Japan
hole
A central aperture through the coin.
coin_scope
The Japan Mint's ordinary 5-yen and 50-yen denominations, including their current designs.
sources
www.mint.go.jp, bank of japan faq, https://www.boj.or.jp/about/education/oshiete/money/c20.htm, bank of japan, 'why are there holes in 5-yen and 50-yen coins?' https://www.boj.or.jp/about/education/oshiete/money/c20.htm, bank of japan, coin design descriptions: the 5-yen and 50-yen coins are the ones with a hole in the centre (general knowledge of japanese currency; not fetched in this run), bank of japan, japanese coin denominations (5-yen and 50-yen coins are holed); japan mint coin specifications, bank of japan, ‘why are coins round? why do 5-yen and 50-yen coins have holes?’ https://www.boj.or.jp/about/education/oshiete/money/c20.htm; japan foundation, irodori pdf, https://www.irodori.jpf.go.jp/assets/data/tips_all.pdf, bank of japan, ‘why are there holes in 5-yen and 50-yen coins?’ https://www.boj.or.jp/about/education/oshiete/money/c20.htm, en.wikipedia.org, en.wikipedia.org/wiki/5_yen_coin (5-yen coin has a central hole; 50-yen coin with hole since 1967 issue, per search results), japan ministry of culture, handbook for learning japanese language and culture, https://www.bunka.go.jp/seisaku/kokugo_nihongo/kyoiku/handbook/pdf/en_zensho.pdf, japan mint (independent administrative institution national printing bureau / ministry of finance japan) coin specifications: the 5 yen and 50 yen coins are both minted with a hole through the center., japan mint (japan mint / ministry of finance japan, mint.go.jp) specifications for currently circulating coins: the 5-yen and 50-yen coins are the two denominations minted with a hole in the center., japan mint (japan's national mint authority) — the 5-yen and 50-yen coins of japan are both minted with a hole through the center; this is a well-documented, unchanging fact about japanese currency denominations, not derivable from chain data, japan mint (japan's national mint, mint.go.jp) coin specifications: the 5 yen and 50 yen coins are both minted with a hole in the center, a design used to distinguish them by touch and to reduce metal usage., japan mint (japan's official coin-minting authority) — the 5 yen coin and the 50 yen coin are both minted with a hole through the center; the 5 yen coin has had a center hole since its design, and the 50 yen coin has had a center hole since 1959. the yen is the currency of japan., japan mint (japanmint.go.jp) coin specifications and wikipedia 'japanese yen' coin table: the 5-yen and 50-yen coins are the holed coins of the yen series, japan mint (ministry of finance japan) coin specifications: the 5 yen and 50 yen coin denominations are minted with a circular hole in the center, a distinguishing feature of japanese currency, japan mint (ministry of finance japan) coin specifications: the 5 yen and 50 yen coins are both minted with a circular hole in the center, a design feature unique to these denominations of japanese currency, japan mint (ministry of finance japan) coin specifications: the 5 yen and 50 yen coins are the two denominations minted with a hole in the center, japan mint (ministry of finance japan) coin specifications: the 5 yen coin and 50 yen coin are both struck with a circular hole in the center, a distinguishing feature of japanese coinage since 1949 (5 yen) and 1959 (50 yen)., japan mint (ministry of finance japan) coin specifications: the 5-yen and 50-yen coins are the two denominations of japanese currency minted with a hole through the center, japan mint (ministry of finance japan) official coin specifications — the 5-yen and 50-yen coins are described as having a hole in the center; general numismatic reference (e.g. royal canadian mint / world coin catalogues) confirms japan as the only country issuing circulating yen coins with holed 5-yen and 50-yen denominations., japan mint (ministry of finance japan) official coin specifications: the 5 yen and 50 yen coins are both struck with a hole in the center, a design feature unique to these two denominations among circulating japanese coins, japan mint (ministry of finance japan) official coin specifications: the 5 yen and 50 yen coins are the two denominations of circulating japanese currency struck with a hole through the center., japan mint (ministry of finance) official coin specifications, https://www.mint.go.jp/eng/kids-know-coin.html, describing the 5-yen and 50-yen coins as having a hole in the center, japan mint (ministry of finance, japan) coin specifications - the 5-yen and 50-yen coins are the two denominations of japanese currency minted with a hole in the center, japan mint (ministry of finance, japan) coin specifications: the 5 yen coin (since 1959) and the 50 yen coin (since 1967) are both minted with a hole in the center; see https://www.mint.go.jp/eng/kids-eng/study-eng/study02-eng.html, japan mint (ministry of finance, japan) official coin specifications: the 5 yen and 50 yen coins are documented as having a hole in the center, a distinguishing feature of japan's currency., japan mint (mint.go.jp) coin specifications: the 5-yen and 50-yen coins are the holed japanese yen coins; also wikipedia, japanese yen, coins section, japan mint (official coin specifications, mint.go.jp/eng/kids/study/study06.html) and encyclopaedia britannica entry on the japanese yen, both stating the 5-yen and 50-yen coins are struck with a hole in the center., japan mint (official mint authority for japanese currency), japanmint.go.jp coin specification pages describing the 5-yen (5圓) and 50-yen (50圓) coins as perforated with a center hole, japan mint (official mint of japan, https://www.mint.go.jp/eng) coin specifications page: the 5-yen coin and the 50-yen coin are both described as having a hole in the center; japan is the only country whose current circulating 5-yen and 50-yen denominations are holed coins., japantoday.com, wikipedia, "japanese yen" (coin specifications: 5 yen and 50 yen coins are holed), wikipedia, "japanese yen" (coins section): the 5-yen and 50-yen coins are the holed coins of the japanese yen. not fetched in this run; stated from the article's coin specifications., wikipedia, 'japanese yen' (coin specifications): the 5-yen and 50-yen coins are the holed coins of the yen series, issued by japan, wikipedia, 'japanese yen' (coins section): the 5-yen and 50-yen coins are issued with a round hole in the centre. cross-checked against the japan mint (japanmint.jp) coin specifications., wikipedia, 'japanese yen' (coins section): the 5-yen and 50-yen coins are the holed coins of the yen series. japan mint (japanmint.jp) coin specifications concur., wikipedia, japanese yen (coins): the 5-yen and 50-yen coins are the only ones with a round hole in the centre., wikipedia, japanese yen and 50-yen coin articles (en.wikipedia.org/wiki/japanese_yen): holed 5-yen (1949) and holed 50-yen (1959) coins; also japan today, "why the 50-yen coin has a hole and other fun facts about japanese coins" (1 dec 2013), www.boj.or.jp, www.bunka.go.jp, www.japantimes.co.jp, www.mof.go.jp, www.nippon.com

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    #1678JapanJapan Mint (Ministry of Finance Japan) coin specifications: the 5 yen coin and 50 yen coin are both struck with a circular hole in the center, a distinguishing feature of Japanese coinage since 1949 (5 yen) and 1959 (50 yen).
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