Identification method of true and false Sun Xiaotou

The amount of existence is the most important factor affecting the collection value of Sun Xiaotou's silver dollar. Take the Taiping Heavenly Kingdom as an example. Due to the short cycle, some sample coins have just been minted and replaced by the currency of the next cycle. This kind of ancient money is naturally less valuable. However, some prosperous dynasties used the same currency for a long time, which naturally affected the appreciation potential. Experts in the industry said that to determine the collection value of a Sun Xiaotou, in addition to the amount of the world, it is also necessary to comprehensively evaluate the technological process, the material level and the appearance of the coin, not just to see whether the casting age is long.

Identification method of true and false Sun Xiaotou;

Sun Xiaotou's appraisal knowledge 1:

With the progress of the times, counterfeiting technology is becoming more and more advanced. If someone comes with you, his grandson's head is worth millions. When you sell it to you cheaply because of family difficulties, you should pay more attention. Beware of being cheated.

Sun Xiaotou's appraisal knowledge 2:

Acid test. If you drop a drop of nitric acid on Sun Xiaotou, if you find that Sun Xiaotou has green bubbles or turns black, it is a lack of ingredients or a fake Sun Xiaotou. As long as the copper core Sun Xiaotou touches nitric acid, it will lose its luster. In the case of silver plating, the silver-plated surface layer is easy to fall off, and the falling part is easy to rust.

Sun Xiaotou's appraisal knowledge 3:

Sand coin; Looking at it with a high magnification magnifying glass, the metal molecules on the lateral teeth are loose with sand holes, no reflection, blocked teeth and weak tooth walls. Some coins also have tiny intermittent lines in the tooth grooves and tooth backs, but these lines are formed by extrusion without any feeling of cutting and scraping.

Light: but this kind of light is astigmatism, and the bright spot is large but not concentrated. The edges and corners of the tooth wall are hard angles, and the width of the side teeth is generally the same. It is very regular and has no natural scratches.

Sun Xiaotou's appraisal knowledge 4:

Now there are fewer and fewer real time-honored Sun Xiaotou, and most of them are produced after the pit is cleaned up. But this kind of cleaning belongs to the category of physical cleaning, which is different from chemistry (such as silver washing water).

Sun Xiaotou's appraisal knowledge 5:

First of all, we should know the casting time, distribution quantity, craft pattern, weight and historical background of Sun Xiaotou, which is my favorite collection. Second, remember to collect blindly, and be sure to spend more time looking for information about this coin for your favorite Sun Xiaotou; Third, we can also use high-tech and chemical drugs to analyze and compare various elements of money (a word of caution: chemical drugs are more destructive to the surface of money).

Sun Xiaotou's appraisal knowledge 6:

The standard weight of true grandson's small head is about 26.6 grams, and it will not be less than 25 grams after cyclic friction. True Sun's small head silver dollar has a clear pattern, the breach and tooth edge of the city wall are smooth and smooth, and the subtle brushwork also has a three-dimensional effect. The brighter the surface of Sun Xiaotou, the softer the light, and the darker the fake Sun Xiaotou. Master these basic principles and carefully identify them so that you won't be deceived.