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Как распознать качественную подделку серебряного доллара Моргана

19 янв · В центре внимания — серебряный доллар Моргана 1903 года с клеймом «S», что означает его чеканку в Сан-Франциско. Эта монета является ключевой датой с небольшим тиражом, составляющим примерно 1,24 миллиона экземпляров, что делает ее довольно востребованной среди коллекционеров, хотя и не самой редкой.

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Реальная цена 20 копеек 1961 года: от обиходной мелочи до сотен долларов

19 янв · Монета номиналом 20 копеек 1961 года является одной из самых известных советских монет. Она появилась в результате денежной реформы Хрущёва, когда в оборот были выпущены новые, более лёгкие и современные деньги из медно-никелевого сплава.

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Как определить рыночную цену древних монет: практическое руководство

19 янв · Определение стоимости древней монеты, такой как римский денарий, является более сложной задачей, чем оценка современных монет. В отличие от них, для античных экземпляров не существует единого и универсального каталога цен, подобного «Красной книге».

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Coin Slabbing and Grading: Everything About the Advantages, Disadvantages, and the Assessment Process

13 янв · Over the past ten years, the demand for coins packaged in a special protective case, known as a 'slab,' has grown significantly in the numismatic market. This is especially true for specimens of high value, historical significance, or excellent condition. Collectors are increasingly seeking not just to collect, but to properly and professionally preserve their treasures.

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How to Distinguish Coin Cleaning from Natural Damage: A Detailed Breakdown

13 янв · For coin collectors, it's important to be able to distinguish between natural damage from storage or transport and signs of artificial cleaning. The former, known as 'bag marks,' result from coins coming into contact with each other at the mint or in bags. The latter are the result of mechanical action intended to give the coin a shine, which irreversibly damages its surface.

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How to Clean a Soviet Bronze Coin at Home: A Simple and Effective Method

13 янв · There are several ways to buy a coin at an auction and sell it at the same venue for double the price. One of the most effective methods is pre-sale preparation. This is a simple but effective approach that will be especially useful for novice collectors and those who want to make money by reselling coins.

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Die Crack: How a Minting Defect Affects a Coin's Value

13 янв · A die crack is a type of mint error that has been known since ancient times, ever since humanity began minting coins. The reason for its occurrence is simple: no matter how durable the steel from which the die is made, it eventually wears out and cracks from the constant impacts and stresses during the minting process.

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Authenticating Amber: Testing Methods and Signs of Fakes

13 янв · The first step in authenticating amber begins with a simple visual and tactile analysis. Real amber, being fossilized resin, possesses unique properties. It is very lightweight, which immediately distinguishes it from glass or stone imitations that are significantly heavier for the same volume.

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Types and Classification of Amber: From Baltic to Dominican

13 янв · Amber, also known as 'sunstone,' is the fossilized resin of ancient coniferous trees. Its value and properties vary greatly depending on numerous factors that form the basis of its scientific and gemological classification. Understanding these criteria helps distinguish rare specimens from more common ones.

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Caution, Counterfeit: How to Distinguish a Fake Silver Coin from a Genuine One

13 янв · The focus is on a 1927 silver coin with a denomination of 50 kopeks. Its obverse depicts the USSR coat of arms and the inscription 'one poltinnik,' while the reverse shows the figure of a worker with a hammer. A special feature of this specimen is its smooth edge, meaning there is no inscription on the coin's rim.

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