宏康商行
Recycling and Cashing in Old Silver Coins | Specializing in the Acquisition of Sun Yat-sen's Republic of China Founding Commemorative Coins with Double Flags on the Back, 2-Cent
Recycling and Cashing in Old Silver Coins | Specializing in the Acquisition of Sun Yat-sen's Republic of China Founding Commemorative Coins with Double Flags on the Back, 2-Cent
## Sun Yat-sen Founding Commemorative Coin "Double Flags Two Jiao": Historical Background and Collectible Value Analysis
The Sun Yat-sen Founding Commemorative Coins (commonly known as the "Sun Xiaotou" series) are the first batch of silver coins minted after the establishment of the Republic of China to replace the Qing Dynasty currency and commemorate the founding of the nation. Among them, the two-cent silver coin with double flags on the reverse , although with a small face value (subsidiary coin), has always held an important position in the coin collecting world because it witnessed the special historical period of transition from feudal imperial system to republican system.
This silver coin is not only a valuable investment, but also an important historical artifact for studying the politics, economy, and minting techniques of the early Republic of China. For experienced collectors, the rarity of the variety and the condition of the coin are key factors in determining its resale value .
## Detailed Explanation of Product Specifications and Technical Parameters
To help you better understand the physical characteristics of your collectibles, we have compiled a professional technical parameter comparison table. Please note that genuine silver coins have extremely small errors in weight and size, which is an important basis for initial screening of authenticity.
| Parameter Items | Detailed specifications | Notes |
| Official Name | Republic of China Founding Commemorative Coin, 20 Cents (Sun Yat-sen Portrait/Double Flags) | Commonly known as "Sun Xiaotou Erjiao" or "Shuangqi Erjiao". |
| Year of casting | Recast in the first year of the Republic of China (1912) and subsequent years | The first batch of commemorative coins after the Xinhai Revolution |
| Main materials | Silver | The silver content is typically around 70% - 80% (this may vary slightly depending on the type and degree of oxidation). |
| Standard diameter | Approximately 23.0mm - 24.0mm | Be wary of diameters that are too large or too small. |
| Standard weight | Approximately 5.2g - 5.4g | A significant underweight note could be due to counterfeit currency or excessive wear and tear. |
| Front design | Sun Yat-sen profile portrait | Upper ring: "MEMENTO"; Lower ring: "BIRTH OF REPUBLIC OF CHINA" |
| Back pattern | The eighteen-star flag and the five-colored flag are crossed | Symbolizing the unity of five races and the iron-blooded eighteen stars |
| Edge tooth features | Straight teeth or olive teeth | Deep, sharp edges and sufficient pressure are characteristics of genuine products. |
How to distinguish genuine from counterfeit Sun Yat-sen 2-jiao silver coins? Experts teach you 3 tricks.
Before attempting to sell your old silver coins for cash , conducting a preliminary appraisal yourself can help you understand their value. Based on years of experience, Hongkang Trading Company shares the following three key points for authentication:
1. Sound Test
Genuine silver coins, due to their high silver content and the intense casting pressure, produce a soft, long, and pleasant sound when gently tapped or blown on, with a lingering resonance. If the sound is sharp and short (like the sound of metal) or muffled and silent (like a lead-tin alloy), it is highly likely to be a low-quality counterfeit .
2. Patina Inspection
Over a century, old silver coins develop a natural oxidation layer on their surface, known as "patina." Genuine patina exhibits a natural color transition, varying shades, creating a layered effect, and is not easily removed. Artificial patina, on the other hand, is usually dull in color (such as a uniform black or light yellow), appears superficial, and may even have a pungent chemical smell.
3. Examine the details and the pressure.
Although the Sun Yat-sen commemorative 2-jiao coin was a subsidiary coin at the time, its minting craftsmanship was still exquisite. Please carefully observe whether each strand of Sun Yat-sen's hair is distinct, whether the double flag pattern on the reverse is clear, and whether the strokes of the English letters are clean and crisp. Genuine coins have deep, sharp lettering and a flat surface; counterfeit coins often have blurry lettering, and the edges may have silver flow or pinholes.
## Key Factors Affecting the Price of Old Silver Coins
Many customers ask, "How much is my silver coin worth?" In fact, the purchase price of silver coins is not fixed and depends primarily on the following key factors:
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Condition: This is the most important factor. A mint luster, without dents or cleaning, "mint luster" silver coin can be worth several times more than a cleaned or heavily worn common silver coin.
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Variety: The two-cent coin with two flags exists in various varieties, such as different styles of English lettering and differences in edge teeth. Rare and exceptional varieties often fetch high prices at auctions.
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Grading: Silver coins that have been certified and encased by internationally recognized grading agencies (such as PCGS , NGC ) or well-known domestic institutions (such as Gongbo , Baocui ) are generally more circulated and valuable in the market because their authenticity and grade are guaranteed.
Why choose Hongkang Trading Company for silver coin buyback?
We deeply understand that every ancient coin carries family memories or the fruits of a collector's labor. Hongkang Trading Company provides transparent, secure, and professional coin trading services.
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Free online valuation: Unsure of the value of your silver coins? Feel free to contact us directly and provide clear photos to receive a preliminary quote.
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High-price cash purchase: We refer to international precious metal trends and real-time market conditions for coin collecting to ensure you receive a reasonable cash price .
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Physical Store Guarantee: Unlike online virtual buyers, we have physical business channels, making the transaction process more secure and eliminating the risk of fraud.
Experts advise: If you have such Republic of China silver coins at home, it is recommended not to clean them yourself (especially with toothpaste or acidic liquids), as this will severely damage the original patina and cause a significant drop in the value of the collectible. Preserving them as they are and having them appraised by professionals is the best way to protect your assets.
The Sun Yat-sen Commemorative Coin of the Founding of the Republic of China, featuring two flags on the reverse, is a two-jiao coin and was one of the important currencies in the early Republic of China, possessing distinctive characteristics. The following is a detailed description of these characteristics:
This silver coin is approximately 24 mm in diameter and weighs about 5.3 grams. Its overall design is meticulous and exquisite. The obverse features a double flag design formed by delicate ribbons: the eighteen-star flag on the left and the five-colored flag on the right, symbolizing the political landscape and national unity of the Republic of China era. Above the flags are the four characters "Republic of China," and below are the words "Founding Commemorative Coin." Floral patterns adorn the left and right sides, adding a touch of elegance. The reverse features a lifelike profile portrait of the great revolutionary pioneer Sun Yat-sen. Above him is the English "MEMENTO," and below is "BIRTH OF REPUBLIC OF CHINA," highlighting its international perspective and historical significance. Furthermore, the coin's edge is neatly and evenly serrated with fine engraving, further enhancing its artistic value and collectible significance.

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