Unique Search Engine - for simple and fast way of finding a coin.
Catalogue and Auction Prices - with daily exchange rates in 16 world currencies.
Fortress Algorithm - giving mathematically calculated price for every Polish coin.
Rarity Level - specifying which coin is better and which is not.
Coin Ranking - to identify its position on the list of best coins.
Easy Type Identification System - for those with little knowledge on Polish coins.
Catalogue in English and Polish - language.
And of course all information included in traditional version of catalogue.
 

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