Expertise
Methods for determining authenticity, analysis of marks and signatures. Expert and restorer advice.
Articles (95)
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Терминология коллекционера: что такое провенанс, патина и грейдинг?
Мир коллекционирования — это не просто хобби, а целая вселенная со своими законами, правилами и, что самое важное, собственным языком. Для новичка каталоги аукционов и описания лотов могут показаться набором загадочных слов. Однако термины вроде «провенанс», «патина» и «грейдинг» — это не попытка запутать, а необходимость. Они служат для точной и однозначной характеристики предмета, его истории, состояния и, в конечном счете, его ценности. Владение этой терминологией позволяет говорить на одном языке с экспертами, дилерами и другими коллекционерами.
Collector's GuideExpertise
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How to Identify a Dangerous Counterfeit of a Nicholas II 10 Ruble Coin: Signs of a 'Davlenka'
In times of economic instability, many seek ways to protect their savings from inflation by converting paper money into more tangible assets. One such reliable tool is gold coins, which can safeguard the real value of capital against the depreciation of currencies, whether it be the dollar or the euro.
ExpertiseCollector's Guide
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Varieties of the 1897 15 Ruble Gold Coin: How to Identify and Its Value
The 15-ruble gold coin of 1897, issued during the reign of Nicholas II, has several varieties that are of interest to collectors. The key factor affecting its rarity and value is the difference in the obverse die.
Collector's GuideExpertise
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How to Spot a Fake 5000 Ruble Banknote: Key Signs of a Counterfeit
When checking the authenticity of 5000 ruble banknotes, it's important to consider their modification. For example, the 1997 series banknote, modified in 2010, has noticeable differences: the coat of arms changes color when tilted, the security thread appears on the surface of the front side, and the serial numbers have different colors (green on the left and red on the right).
ExpertiseCollector's Guide
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Baranov's Banknotes: How to Distinguish the Legendary Counterfeit 25 Rubles of 1961
The counterfeit banknotes of Viktor Ivanovich Baranov are a famous chapter in the history of the Soviet Union. His craftsmanship was so high that the bills he created were practically indistinguishable from the state-issued ones, and in some aspects, even surpassed them. He produced these banknotes in makeshift conditions, in his own shed using homemade equipment.
ExpertiseCollector's Guide
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What is Coin Slabbing and Why a Collector Needs It
For many collectors, the terms 'grading' and 'slabbing' may be unfamiliar. This refers to the process of assessing a coin's condition and subsequently packaging it in a special plastic case called a 'slab.' This process helps protect the coin and officially certify its condition, which directly affects its value.
Collector's GuideExpertise
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NGC Grading Results: From High Grades to a Complete Fiasco
To reduce the cost of the coin grading process at NGC, collectors often team up to share the expenses for shipping and paperwork. This time, a batch of five coins was collected and sent for expert evaluation.
ExpertiseCollector's Guide
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Not-So-Simple Copper: Grading and Examination of Rare Three-Kopek Coins
Among numismatic artifacts, one can find not only genuine specimens but also historical counterfeits. An example of such an object is a counterfeit 1913 three-kopek coin, preserved from an old collection. This coin was most likely produced by casting, as evidenced by its characteristic porosity.
ExpertiseCollector's Guide
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A 19th-Century Staurotheke: The History and Features of the Crucifixion with Selected Saints
An antique icon was purchased at auction for about 350-360 euros. This item is a staurotheke—a special type of icon also known as an 'inset icon.' Such artifacts were most often preserved among Old Believers and hold significant historical value.
History of ThingsExpertise
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Extracting Gold from Old RAM Chips: A Step-by-Step Process
The source material for gold extraction is a batch of uniform chips removed from old RAM modules. The total weight of the material is 899 grams, which is rounded up to 900 grams for ease of calculation.
ExpertiseCollector's Guide
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Silver Fineness Marks: What the Numbers and Hallmarks on Items Mean
A fineness mark is an indicator of the percentage of pure precious metal in an alloy. It shows what proportion of pure silver is in an item, with the remainder being other, less valuable metals.
Collector's GuideExpertise
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How to Identify Counterfeit Gold Items: The Density Check Method
The rings submitted for appraisal bear a hallmark indicating 750 fineness gold. An initial check using spectral analysis also confirms this high standard, which can mislead even an experienced appraiser.
ExpertiseCollector's Guide
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Restrike, Not a Counterfeit: Understanding Numismatic Terms
In numismatics, there's a sensitive topic concerning the misuse of the term 'restrike.' Many people indiscriminately apply this word to any counterfeit coin, which is a completely incorrect approach.
Collector's GuideExpertise
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Authenticating Investment Coins: Simple and Reliable Methods
The authenticity of gold and silver coins is a concern for many investors, especially amidst numerous rumors online. However, it's worth noting that among standard bullion coins, counterfeits, most often of Chinese origin, are extremely rare.
ExpertiseCollector's Guide
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The 1924 Silver Ruble: How to Identify a High-Quality Counterfeit
The 1924 silver ruble is considered one of the most beautiful large coins of the Soviet period. Its design is a prime example of the visual propaganda of that time: the obverse depicts a worker pointing out the rising sun over a factory to a peasant. This scene symbolizes the bright future of the young Soviet state.
ExpertiseCollector's Guide
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Gold 5 Rubles: Expert Analysis of Counterfeits and Originals
Three types of counterfeit 5-ruble gold coins, produced in different workshops, were selected for examination. Each counterfeit is compared with an authentic coin from the same year of issue. A total of six coins were prepared for the analysis: three fakes and three originals.
ExpertiseCollector's Guide
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How to Identify a High-Quality Counterfeit of the 1892 Alexander III Ruble
The story began when a person bought a silver Alexander III 1892 ruble for 26,000. Immediately after the purchase, another collector approached him and offered to buy the coin for 50,000, which raised the first suspicions.
ExpertiseCollector's Guide
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Counterfeit Modern Russian Silver Coin: How to Distinguish It from the Original
Counterfeits of modern Russian three-ruble silver ounce coins have appeared on the numismatic market. While copies of Tsarist, Soviet, and some modern coins have been seen before, counterfeits of this type of silver bullion coin are a new phenomenon. As an example, a counterfeit of the '70th Anniversary of Victory' coin was intentionally purchased for analysis.
ExpertiseCollector's Guide
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What Are Dealers Actually Paying for a Soviet Silver Poltinnik?
The story began with an unusual incident: a man came to a buy-up shop wanting to sell a 1924 Soviet poltinnik. The coin was in mediocre condition, yet its owner asked a whopping 150,000 rubles for it.
ExpertiseCollector's Guide
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Restoration of Enamel on USSR Orders: Restore or Preserve History?
The question of whether to restore orders and medals is a subject of eternal debate in phaleristics circles. There is no single opinion on this matter, and each collector approaches this dilemma in their own way.
ExpertiseCollector's Guide
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