Description obverse

At the top the inscription УКРАЇНА (Ukraine), under which is Ukraine’s small coat of arms and on the right the issue year – 2020. On the left, on a mirror surface depicted Kostkiantyn Ostrozkyi, to the right of whom is the coat of arms of the Ostroh. The coin face value 5₴ (five hryvnias) on the background of the stylized Dubno Castle; above right is the logo of the Mint of the National Bank of Ukraine, bottom right on the background of stylized waves inscription — КOСТЯНТИН ОСТРОЗЬКИЙ (Kostiantyn Ostrozkyi).

Description reverse

At the top, right is the coat of arms of the town of Dubno. On the mirror background of the outline of Dubno Castle depicted a composition of the most interesting religious buildings of the town of Dubno. At the bottom, right on the mirror background is the inscription: ДУБНО 920 РОКІВ (Dubno 920 years).