The first Hungarian banknote is the 2 Forints "Kossuth-banko". issued in 6th August 1848.
<bdi><a href="https://www.wikidata.org/wiki/Q1325969" class="extiw" title="d:Q1325969">József Tyroler</a>
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Digital version of banknotes from 1848 year. Official banknote of Hungary till 1849.