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Sun Yat-sen silver coins / 1929 (Republic of China Year 18) Sun Yat-sen portrait Buyback | Gu Jin Jian Bao

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Sun Yat-sen silver coins / 1929 (Republic of China Year 18) Sun Yat-sen portrait Buyback | Gu Jin Jian Bao

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Explore the Ultimate Treasure: The 1929 Sun Yat-sen Global Double Flag Silver Dollar – Historical Context and Collection Guide

Beyond its ingenious design, the1929 Sun Yat-sen Global Double Flag Silver Dollarsymbolizes a critical transitional period in modern Chinese coinage history. In 1929, to unify the national currency system, the Nationalist Government gradually promoted the"abolition of taels and adoption of yuan"policy, commissioning several domestic and foreign mints to design new national currency. This trial coin, crafted by engravers from theTientsin Mint, features"globe and double flag"elements, not only showcasing the Nationalist Government's grand vision of connecting with the world and standing on the international stage but also representing the highest level of coinage artistry in China at the time.

To help collectors gain a deeper understanding of this legendary treasure and enhance their professional knowledge ofrare Chinese machine-struck silver coins, the following compiles the specific physical specifications and market analysis of this silver coin.

Core Specifications and Authentication Feature Comparison Table

When conductingSun Yat-sen's small headsilver dollar variety authenticationor evaluating this rare coin, precise physical data and detailed features are the first line of defense in determining authenticity.

Authentication Item	Specification and Feature Description	Professional Collection Reference Value
Standard Weight	Approximately 26.6 grams to 26.8 grams	Conforms to the standard weight of national currency at the time; significant weight deviation should raise suspicion.
Standard Diameter	Approximately 39 mm	Regular size; overly wide or narrow edges may indicate a replica.
Minting Material	High-purity silver (silver content approximately 89% - 90%)	Possesses the soft patina and warm luster characteristic of old silver coins, with a clear and mellow ringing sound when struck.
Edge Milling Process	Even reeded edge (or very few smooth edges depending on trial variety)	The Tianjin Mint's pressing technology at the time was excellent; genuine coins have deep, consistent reeded edges without file marks.
Anti-counterfeiting Hidden Details	Intersection of national and party flags, three-dimensionality of globe's lines of latitude and longitude	Latitude and longitude lines are hair-thin yet clearly continuous; English"REPUBLIC OF CHINA"lettering is neat and without adhesion.

Auction Market Value and Investment Potential Assessment

As this coin was only a trial issue and never officially circulated, its surviving quantity is extremely rare (known to be no more than fifteen pieces), which has led to the1929 Sun Yat-sen silver dollar pricerepeatedly breaking records at auctions both domestically and abroad. It is not only a focus of study for numismatists but also a coveted target for top collectors.

Reference for recent ancient coins and rare machine-struck coin auction trends (historical data estimate):

Auction Year	Item Condition / Grade	Estimated Transaction Price Range (Renminbi)	Market Trend Analysis
2016	PCGS SP61 (Nearly Uncirculated)	1,500,000 - 2,200,000	Rare varieties began attracting international capital, with prices steadily rising.
2020	NGC MS62 (Uncirculated, with original luster)	3,000,000 - 4,500,000	Top condition items demonstrated strong resistance to decline and value preservation.
2023	PCGS SP63+ (Top condition, perfect patina)	5,500,000 - 8,000,000+	As the consensus of"rarity drives value"deepened, such unique silver coins have become a top tier art investment.
(Note: The above data is a comprehensive estimate of historical auction trends; actual prices may fluctuate due to the coin's specific condition, patina, and current market popularity.)

Expert Tips: How to Authenticate the 1929 Republic of China Silver Dollar?

Fakes occasionally appear on the market. If you suspect you have such a treasure, or are seekinghigh-price antique coin Buyback and purchaseservices, please note the following professional advice:

Observe the strike pressure and fields: Genuine trial coins have extremely high strike pressure, with fields as flat as a mirror. The hair strands and fabric textures of the portrait are highly three-dimensional, completely free of pores or rough surfaces from sand casting.
Examine the details of the globe and flags: Fakes often have blurry or indistinct latitude and longitude lines on the globe, and the folds of the double flags lack a natural flowing sense of layering.
English lettering and edge: The English letters on the outer ring of the reverse side have sharp edges and the font style has distinct period characteristics. Modern computer engraving often appears too rigid or has disproportionate letter spacing.

If you have old silver coins, Sun Yat-sen's small head coins, or other valuable machine-struck coins passed down through your family, it is recommended to seek out a professionally qualifiedGu Jin Jian Baoplatform for a physical appraisal. We offer transparent and fair free appraisal consultation and high-price buyback services to ensure your collection realizes its true value.

Gu Jin Jian Baois a local antique coin and antique Buyback shop, specializing in the authentication and valuation ofsilver dollars, banknotes, andgold jewelry. To find out the value of your collection, simplyWhatsApp 98342057and send photos. Every transaction involves in-person inspection and immediate quotation, without any hidden price reductions.

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