5日元硬币的原材料为铜和锌 硬币的"价值"正在上升。记者按原材料的市场价格进行推算后发现，5日元硬币的原材料的 当前价格已超过面值，10日元硬币也达到面值的近9成。据推算，在5日元硬币的原材料中， 铜的比例为60％～70％，锌为30％～40％…… 硬币的"价值"正在上升。由于作为主要原材料的铜的价格处于历史最高位，按市场价格进行推算后发 现，5日元硬币的原材料的"时价"（当前价格）已超过其面值，10日元硬币则达到面值的近9成。美国已 于11月以成本过高为由停止制造1美分硬币。在电子支付手段日趋发达的情况下，这可能给货币应该以 何种形态存在这一问题提出新的思考。 日元的硬币由隶属于日本财务省的造币局负责制造。不同种类的硬币所用原材料不同，但通常使用铜、 锌、铝、镍等有色金属制造。处于可能助长伪造的考虑，官方并未公布材料的成本费，记者根据市场价 格进行了推算。 在5日元硬币的原材料中，铜的比例为60％～70％，锌为30％～40％。而10日元硬币方面，铜占95％， 锌和锡的比例分别在3％～4％和1％～2％。根据日本JX金属及三井金属等公布的日本国内价格来推算 原材料价格，截至12月15日，5日元硬币为5.4日元，1 ...

Core Points - The U.S. has officially ceased the production of the 1-cent coin, marking the end of a 230-year circulation due to rising costs and the digital payment trend [1][2] - The production cost of the 1-cent coin has increased from 1.42 cents to 3.39 cents over the past decade, nearly quadrupling its face value [1] - The U.S. Mint estimates that stopping the production of the 1-cent coin will save approximately $56 million annually in material costs [1] - Retailers have begun rounding cash transactions to the nearest 5 cents, but there are concerns about operational issues arising from the coin's rapid disappearance [1] Industry Impact - The decision to stop producing the 1-cent coin reflects a broader trend towards modernization in payment methods, aligning with the increasing prevalence of digital payment systems [1] - Despite the cessation of production, over 300 billion 1-cent coins remain in circulation and are still considered legal tender [2] - The last batch of 1-cent coins produced will not enter circulation but will be auctioned by the Mint, featuring a special "Ω" mark for historical significance [2]

Core Points - The U.S. Mint has officially ceased the regular production of the one-cent coin, marking the end of its 232-year circulation history [1] - The last one-cent coin for circulation was minted by U.S. Treasury's Treasurer, Brandon Beach, during a ceremony at the Philadelphia Mint [1] - The production cost of the one-cent coin has significantly increased over the past decade, rising from 1.42 cents to 3.69 cents per coin, making its production unsustainable [1] Industry Summary - The one-cent coin has played a vital role in American daily life since its inception in 1793, but changing economic conditions and consumer behaviors have led to its discontinuation [1] - Despite the cessation of production, the one-cent coin remains legal tender in the U.S., with an estimated 300 billion coins currently in circulation, far exceeding commercial demand [1] - Retailers and businesses can continue to price items in one-cent increments, and the U.S. Mint plans to produce limited edition one-cent commemorative coins for historical research and collectors [1]