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What PROOF and UNC Mean for Coins
The condition and quality of a coin’s strike directly affect its collectible and investment appeal. Descriptions often include the labels PROOF and UNC,...


The commemorative coin of Kazakhstan, “100 Years of the Railway of Kazakhstan,” is dedicated to the centenary of the establishment and development of the country’s railway industry. The issue reflects the importance of the railways in opening up the territory, strengthening economic ties, and forming a unified transport network across the republic. The coin’s theme is connected with the history of the rail lines that played an important role in economic growth and provided links between the regions. The coin is part of a series dedicated to outstanding events and people of Kazakhstan and is of interest as a commemorative piece marking an important date in the history of the nation’s transport system. The coin has a face value of 500 ₸. It is made of 925 sterling silver and weighs 24.00 g.