The obverse of the coin features the portal of the first eastern facade of the Radziwiłł Palace, in the centre – Vytis, the coat of arms of the Lithuanian state, at the top left – the inscription LIETUVA (LITHUANIA), on the bottom – coin denomination (€20).
The logo of the Lithuanian Mint is impressed on the right-hand side of the obverse of the coin.
The reverse of the coin features the residential palace of Janusz Radziwiłł, Palatine of Vilnius and Grand Hetman of the Grand Duchy of Lithuania, which was built in the 17th c. in Vilnius. The artistic design highlights the remaining and reconstructed parts of the palace. Below – the coat of arms of the Radziwiłł family, at the bottom of the coin – the date of issue of the coin (2017).