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Japanese antique coin news and articles collected from around the world (200 articles)
穴銭 Market Flash: Reading Price from Recent Hammer Results
A market flash on 穴銭, using a recent hammer price of about JPY 3,500 to explain how to read medians, thin trading, and the three drivers of coin value.
天皇陛下御在位60年記念貨幣: Value and Market Price Guide for Beginners
Today's coin spotlight explains how rarity, grade, and demand shape the value of 天皇陛下御在位60年記念貨幣, with tips on reading the market using medians and thin-trading signals.
Refocus of the Week: Reading Japanese Coin Value and Market
Our weekly refocus revisits a past topic through a market lens, explaining the three drivers of coin value and how to read medians and thin trading.
穴銭 Market Flash: Reading Price from Recent Hammer Results
A market flash on 穴銭, using a recent hammer price of about JPY 1,200 to explain how to read medians, thin trading, and the three drivers of coin value.
大正12年桐紋50銭銀貨（震災年）: Value and Market Price Guide for Beginners
Today's coin spotlight explains how rarity, grade, and demand shape the value of 大正12年桐紋50銭銀貨（震災年）, with tips on reading the market using medians and thin-trading signals.
Refocus of the Week: Reading Japanese Coin Value and Market
Our weekly refocus revisits a past topic through a market lens, explaining the three drivers of coin value and how to read medians and thin trading.
穴銭 Market Flash: Reading Price from Recent Hammer Results
A market flash on 穴銭, using a recent hammer price of about JPY 1,980 to explain how to read medians, thin trading, and the three drivers of coin value.
平成5年プルーフ貨幣セット: Value and Market Price Guide for Beginners
Today's coin spotlight explains how rarity, grade, and demand shape the value of 平成5年プルーフ貨幣セット, with tips on reading the market using medians and thin-trading signals.
May 2026: 5 Key Etiquette Tips for Sharing Old Coin Photos on Social Media
As more collectors share old coin photos on social media, overlooked risks around privacy, security, and copyright are emerging. This guide covers five practical etiquette points every collector should know.
Frontiers of Japanese Old Coin Research, May 2026 — Quantum Spectroscopic Authentication
Quantum spectroscopic analysis (QSA) is being applied to authenticate Japanese old coins, offering elemental mapping precision beyond XRF. This article explains the method, real-world detection cases, and implications for collectors.
Numismatic Society of Tokyo Symposium: Five Academic Papers on Edo-Period Silver Coinage Released
The Numismatic Society of Tokyo released five academic papers on Edo-period silver coinage at its May 2026 symposium. The papers cover assay grades, minting techniques, distribution networks, counterfeiting methods, and overseas outflow history, and are drawing wide interest from collectors, researchers, and dealers.
Why Counterfeit Japanese Coins Flood the Market — High-Value Coins at Greater Risk
Counterfeit coins are more likely to appear in specific market segments, with high-value pieces being prime targets for forgers seeking maximum profit margins. Beginners frequently fall victim to counterfeits by relying on appearance alone and neglecting authentication. Market data reveals that coins exceeding 1 million yen have counterfeit rates five times higher than those under 100,000 yen.
Yen Depreciation Accelerates Export of Japanese Old Coins: Analyzing Complex Price Fluctuations in the Domestic Market
The depreciation of the yen is driving an increase in the export of Japanese old coins, significantly impacting the domestic market. This trend is fueled by rising overseas demand and the dynamics of domestic collectors. This article delves into market trends and the logic of price fluctuations, offering insights for all levels of collectors to make informed decisions. Monitor the latest market prices with Ittendou Vault.
Overseas Buyers Target Japanese Old Coins — International Market Value and Price Trends
Demand for Japanese old coins from overseas buyers has surged, driving up international prices for Edo and Meiji-era gold coins and rare hole coins. Yen depreciation and digital information dissemination accelerate this trend. Ittentdo explains the market background, how to read price trends, and practical buying strategies to empower your antique coin trading decisions.
Liquidity in Ancient Japanese Coins — Can You Sell When You Want?
Not all ancient coins can be sold immediately at fair market value. Liquidity varies dramatically by denomination, grade, and trading volume. Learn which coins are easy to liquidate and which carry the risk of being stuck. Monitor trading trends with Vault to develop a solid exit strategy.
How to Avoid Buying Fake Coins Online: The Dangers of Image-Only Evaluation
Online coin purchases offer convenience, but judging authenticity and value from images alone is risky, leading to potential losses from fakes or altered coins. Subtle condition details and genuine features are hard to discern without expert knowledge. Use Ittendo's Vault to monitor market prices and prioritize certified coins for a safer collecting experience.
Liquidity in Ancient Coin Investment — Can You Sell When You Want?
Liquidity is the most overlooked factor in ancient coin investing. Popular coins sell at market price, but obscure varieties may sit unsold for months. Learn how to identify high-liquidity coins and avoid the trap of illiquid assets. Monitor your holdings on Vault to track real trading activity.
How to Avoid Fake Coins Online: The Pitfalls of Image-Based Value Assessment
Buying ancient coins online is convenient, but image-only assessments hide many pitfalls. Detecting fakes and altered coins requires expertise. This article explains common beginner mistakes, market dynamics, and provides concrete judgment criteria to avoid losses. Use Ittendou Vault to monitor prices and make smart coin investments.
Beware of Fakes: How to Identify Counterfeit High-Value Coins and Understand Market Trends
High-value ancient coins are increasingly targeted by counterfeiters. This article explains the reasons behind this trend, provides insights for beginners to advanced collectors on identifying fakes, and offers practical advice from the Ittendou editor-in-chief. Use Ittendou Vault to monitor coin values wisely.
Japanese Coins Attracting International Buyers: Market Value and Price Evaluation in the Global Market
Japanese ancient coins are gaining high recognition in the international market, with a rapid increase in purchases by overseas buyers. Their scarcity and historical background drive up their value, creating new trends in the Japanese coin market. Use Ittendou Vault to monitor market price movements and develop a smart judgment framework.