Unique Search Engine - for simple and fast way of finding a banknote.
Catalogue and Auction Prices - with daily exchange rates in 16 world currencies.
Fortress Algorithm - giving mathematically calculated price for every Polish banknote.
Rarity Level - specifying which banknotes are better and which are less.
Easy Type Identification System - for those with much and little knowledge.
Catalogue in English and Polish - language.

 

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