--- title: "Value and Market Identification of Wadōkaichin" url: "https://ittendo.com/en/article/news-jp-1395-36082017" site: "ITTENDO" type: "article" category: "古代銭" published: "2026-09-26T22:00:00Z" source: "一点堂編集部" source_url: "https://ittendo.com/" lang: "en" --- # Value and Market Identification of Wadōkaichin > Wadōkaichin, aimed at becoming Japan's first nationally circulated currency, has its value determined by the rarity of its silver and copper coins. Classification into 'Old Wadō' and 'New Wadō', along with authenticity assessments, influence its market value, while historical context enriches its significance. Wadōkaichin, aimed at nationwide circulation, was the first state-issued coinage in Japan. Minted in Wadō 1 (708), this currency was produced as part of a national prestige effort triggered by the presentation of native copper from Musashi Province. --- ## What is Wadōkaichin Wadōkaichin (和同開珎) is Japan’s first coinage intended for nationwide circulation, issued by the state. First minted in Wadō 1 (708), it began when quality native copper known as "Wadō" was presented from Chichibu District of Musashi Province. To commemorate this event, the era name was changed from "Keiun" to "Wadō", and an ambitious project to mint currency for reinforcing the economic foundation of Japan, then progressing as a ritsuryō state, was initiated. Initially issued as a silver coin, Wadōkaichin faced circulation issues, leading to a swift transition to a copper coin. Its design was modeled on the Tang dynasty’s "Kaiyuan Tongbao", reflecting Japan's efforts to strengthen its economic base amidst evolving governance. However, introducing a currency economy proved difficult, as bartering remained prevalent in the provinces, delaying achievement of this goal. Among Wadōkaichin coins, there are silver and copper versions, with distinct value and rarity influencing their significance in numismatics. For more details on Wadōkaichin, visit [Wadōkaichin](/coinpedia/kodai-004-wado-kaichin). This article provides an in-depth explanation of its historical context and role, offering valuable insights for those interested in ancient Japanese coinage. ## Historical Background and Influence on Wadōkaichin's Value Wadōkaichin holds a crucial position in Japan's numismatic history. These coins are classified based on minting periods and script characteristics, which are key identifiers for collectors and researchers. Old Wadō coins, minted from Wadō 1 through around 715, are characterized by robust, thick script, particularly with noticeable, distinct strokes in the "珎" character, making them easily distinguishable from coins minted in other periods. Conversely, New Wadō coins, produced from 715 onwards, are thinner with finer scripts due to mass production, making them more widely circulated, and therefore less rare than the Old Wadō in the market. However, subtle script variations, like "clerical script Wadō" or "standard script Wadō", add to the collecting appeal. Featuring a central square hole with characters "和同開珎" arranged clockwise, the format reflects strong influence from East Asia's currency systems at the time, indicating ritsuryō Japan's ambitions. Notably, the "珎" character reading—whether "hō" (meaning treasure) or "chin"—remains a significant debate in numismatic research. The coins were mainly cast using sand casting techniques, where mold quality significantly impacted the finish. Understanding these features is essential in grasping Wadōkaichin's historical context and its appraisal. Deepening understanding of Wadōkaichin's background and its classification's impact is vital for exploring Japan's ancient monetary system and its cultural significance. For further details, see [Overview of Ancient Coinage](/coinpedia/kodai-001-overview). ## Authenticity and Condition: Determinants of Wadōkaichin's Value Given Wadōkaichin's prominence among Japan's ancient coins, there are numerous counterfeits in the market. Thus, authenticating these coins is a crucial factor in determining their value. Expertise is necessary to detect fakes, requiring focus on several aspects. Understanding letter shapes and balance, which vary across eras, particularly focusing on the "珎" character, is crucial. Additionally, the cross-section shape of the rim is an important criterion; authentic coins possess specific cross-sectional profiles. Weight is another critical indicator in assessing authenticity. For copper coins, a standard weight of around 3.5–4 grams is expected—those deviating significantly warrant scrutiny. The natural appearance of corrosion (patina) is vital in confirming whether age-related changes are genuine. In original coins, casting burrs can also appear as natural seam traces along mold lines. These points, along with text engraving depth, overall luster, and casting bubble marks, help discern Wadōkaichin authenticity. Comparing with multiple reference pieces is indispensable for comprehensive judgment. Acquiring from trustworthy experts or dealers is advised to minimize counterfeit risks; further guidance is available at [Fake Detection Guide](/guide/fake-detection). Despite the prevalence of forgeries, authenticating remains a major determinant of these coins’ value. Market records show a high transaction volume for Wadōkaichin, indicating its notable liquidity. Proper verification is crucial when purchasing. ## Points of Consideration and Significance in Wadōkaichin Key considerations when acquiring or holding Wadōkaichin include understanding its historical background and policymaking significance. As part of Japan’s initial serious approach to currency policy, the decree to reward individuals with rank for amassing certain amounts of coin was issued in Wadō 4 (711), aimed at promoting currency circulation and transitioning from barter to a monetary economy. This historical context enhances Wadōkaichin's value as a critical source for interpreting economic history. Such historical appreciation makes Wadōkaichin an appealing item in modern collector markets. Widely recognized as Japan's oldest currency, it has been extensively introduced in education, increasing public awareness and serving as an entry point into numismatics. When acquiring Wadōkaichin, purchasing through reliable channels is vital. Especially for collections considering historical background and policy significance, referring to [Acquisition and Purchase Guide for Ancient Coins](/coinpedia/basics-008-shotai) is recommended. Proper storage methods post-purchase are also crucial to maintain condition; see [Proper Storage Methods for Ancient Coins](/guide/storage) for specifics. Owning Wadōkaichin offers not just coin possession but also an opportunity to learn about Japan’s economic history and currency policies. ## Value and ITTENDO's Perspective on Wadōkaichin Wadōkaichin stands as a foundational element in Japanese coin history. Its immense recognition significantly boosts its value. Collectors, academic researchers, and even investors are drawn to these coins. As a result, Wadōkaichin secures an unshakeable status as Japan's numismatic cornerstone. Wadōkaichin transcends its role as a mere collectible, providing key data for understanding the evolution of Japanese currency. Lastly, staying abreast of Wadōkaichin's market trends is crucial for collectors and researchers. This helps in accurately comprehending and valuing Wadōkaichin.