The purpose of this message is to acquaint interested readers with the most simple and safe methods of cleaning coins, which the author can recommend based on his many years of experience in the restoration of an archaeological metal at the State Hermitage Museum. Clearing coins is one of the crucial types of restoration, it is important for their study, dating, identification and storage. Ancient coins made of silver and copper alloys, found in treasures or in other archaeological excavations, most often enter the restoration workshop highly corroded, and sometimes completely mineralized. Under the action of water and salts, copper is destroyed in the soil to form green carbonates and chlorides, red cuprous oxide and black oxide. Continue reading
From December 2, 1848, Franz Joseph I was Emperor of the Austrian Empire and King of Bohemia, Apostolic King of Hungary.
Franz Ripl in 1829 gave the emperor the idea of building a railway through Brook. This road was extremely useful because it immediately led to the sea and this caused a stir in the Austrian Empire, because now all the usual places of rest (like Karlsbad or Bad Ischl) went into the shadows against the backdrop of the Riviera. Continue reading
Now numismatics is not only collecting, but also a good investment of money.
Not for nothing is the most ancient hobby, namely collecting coins, at present, is one of the most interesting, capital-intensive hobby. Experienced collectors have all the necessary knowledge, and easily from a handful of coins will find a valuable, collectible copy, which an ordinary person would pay in the store. When selecting a coin for a collection, one must adhere to certain principles, such as era, year, country, preservation, material of manufacture and much more. Continue reading