10 Fillér

Hungary's postwar coinage was entirely reorganized following the catastrophic hyperinflation of 1945–46 — the worst ever recorded, with the pengő ultimately replaced by the forint in August 1946 at a conversion rate of 400 octillion pengő to one forint. The 1950 aluminium issues came four years into the new monetary order, as the newly consolidated communist state was standardizing coinage through the Hungarian State rather than the National Bank.

Aluminium was chosen for small denominations partly due to postwar metal shortages and partly in alignment with Soviet-bloc manufacturing norms of the period. The Adamo F3 designation distinguishes this from the earlier iron-composition strikes of the same type.