利用通宝是吴三桂反清时所铸的钱币，从“利用通宝”流通时间，看其历史意义。吴三桂举旗反清的主要运作方式有二种，一是武力推进，抢占地盘，扩充势力;二是发行钱币，激活经济，稳定人心。从某种程度上讲，发行钱币比武力推行的意义要大得多。吴三桂及其建立的王朝发行的钱币有三种。一是1674年吴三桂起事之初发行的“利用通宝”;二是公元1678年，吴三桂率兵攻入湖南，在衡阳自立为皇帝，国号“周”，年号“昭武”，发行的“昭武通宝”;三是吴三桂死后，他的孙子吴世璠在云南王府继位，改年号为“洪化”，铸造的“洪化通宝”。三种钱币共存时间仅三年，然而“利用通宝”生命力最强，从1674年起一直到清代中后期，在漫长的200多年中，南方各省特别是云、贵、湘(尤以临澧地区为盛)把它夹杂在大清朝庭的钱币中流通，直至民国初年才停止使用。其流通时间之长，创下了历史上各个起义军和反朝廷的政治集团所发行的钱币之最。
The use of Tongbao is a coin coined by Wu Sangui in the anti Qing Dynasty. There are two main ways for Wu Sangui to raise his flag against the Qing Dynasty. One is to advance by force, seize territory and expand forces; the other is to issue coins, activate economy and stabilize people's minds. To some extent, the issue of coins is much more significant than the implementation of force. There are three kinds of coins issued by Wu Sangui and his established Dynasty. First, Wu Sangui issued the "use of Tongbao" at the beginning of the incident in 1674; second, in 1678, Wu Sangui led his troops to invade Hunan and became emperor in Hengyang, with the state name of "Zhou", the year of "Zhaowu", and the issue of "Zhaowu Tongbao"; third, after Wu Sangui's death, his grandson Wu Shixuan succeeded in the Royal Palace of Yunnan, changed the year of "Honghua", and cast "Honghua Tongbao". The coexistence time of the three kinds of coins is only three years, but the vitality of "using Tongbao" is the strongest. From 1674 to the middle and late Qing Dynasty, in the long 200 years, the southern provinces, especially Yun, GUI and Xiang (especially linli area) mixed it with the coins of the Qing Dynasty, and it was not used until the early years of the Republic of China. Its long circulation time has set the most coins issued by various rebel forces and political groups against the imperial court in history.
近两年此类古钱币价值更是连连攀高，其中有两点原因，其一因此类古钱币在几年前已被收藏家大量出手收购，所剩无几，其二因由于此类古钱币被大量收购后，市场一度出现断层，再次出现在交易会上，没收藏到的收藏家，都愿以高昂价格将其拍卖得手，因此去年与今年的古钱在大众的热烈炒作和追求下，其价值连攀高峰。因此，人们逐渐意识到钱币收藏的意义和价值，古钱币的收藏，创造出来了神话般的奇迹，古币虽然早已不再作为钱币在市面上流通使用，但却有着非凡的收藏价值，从而给收藏者带来了意想不到的财富。
In recent two years, the value of such ancient coins has increased continuously. There are two reasons. One is that such ancient coins have been purchased by collectors in large quantities a few years ago, and there are few left. The other is that after such ancient coins have been purchased in large quantities, there were faults in the market once again at the trade fair. Collectors who have not collected them are willing to auction them at a high price, so they go to The value of ancient money in the year of and this year has reached a peak even under the hot speculation and pursuit of the public. Therefore, people gradually realize the significance and value of the collection of coins. The collection of ancient coins has created a mythical miracle. Although ancient coins are no longer used as coins on the market, they have extraordinary collection value, which brings unexpected wealth to collectors.
判断一件收藏品其价值，要看几点要素，第一点，历史性，是否有历史，年代越久远，其价值都不会太低；第二点，意义性、标志性，其藏品如有标志性或意义性的存在，其价值会再度往上攀升。比如秦代的钱币，统一了秦代之前的货币，比如汉代的五铢钱，在历史中流通的700年，比如唐朝的开元通宝，将钱币变成了货币符号，后面历代都沿用通宝；第三点，稀缺性，越是有历史，越是有标志性或意义性的收藏品，其量都不多太多，导致此类收藏品可遇不可求，千万金都难求。而利用通宝便具备了这三点要素，这也是利用通宝如此火热的原因。
To judge the value of a collection, we need to look at several elements: first, historical, whether there is history, the longer it is, the lower its value will be; second, meaningful, iconic, if there is a symbolic or meaningful existence, its value will rise again. For example, the coins of the Qin Dynasty unified the coins before the Qin Dynasty, such as the five baht coins of the Han Dynasty, which circulated for 700 years in history, such as the Kaiyuan Tongbao of the Tang Dynasty, which changed the coins into currency symbols, which were used in later dynasties; thirdly, the rarity, the more historical, the more iconic or meaningful collections, the less they are, which leads to the unavailability of such collections Can be asked, ten million gold are difficult to ask. The use of Tongbao has these three elements, which is the reason why Tongbao is so hot.
专家推荐：利用通宝是吴三桂铸造的钱币。版式大致有背“厘”,“二厘”，“五厘”，“一分”，以记折银。也有光背和背“云”，背“贵”等字。文字书写颇为工整。此钱币正面写着“利用通宝”，币身被历史赋予着铜锈，但其整体规范，整体布局协调，线条粗细匀称、弧度大小适中、两端浑圆，藏品包浆自然淳厚，品相完好，形制规整，质地优良，字体笔法流畅，纹饰刻制工细。使人观之，既无夸张之感，又无添足之嫌。此古钱币品相极佳，可以深切地感受到埋藏千年的历史韵味，极具收藏与鉴赏价值。
Expert recommendation: Tongbao is a coin made by Wu Sangui. The layout includes "Li", "Erli", "Wuli" and "Yifen" to record silver. Also have light back and back "cloud", back "expensive" and other words. The writing is quite neat. The obverse of the coin reads "use Tongbao". The body of the coin is endowed with copper rust by history. However, the overall standard and layout are coordinated. The lines are well proportioned, the radian is moderate, the two ends are round, the collection is natural and thick, the products are in good condition, the shape is regular, the texture is good, the writing style is smooth, and the pattern is fine. It makes people feel neither exaggerated nor full. This ancient coin is of excellent appearance, which can deeply feel the historical charm of a thousand years' burial, and has great collection and appreciation value.
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