Obverse
The obverse of the coin features Vytis in the centre, surrounded by a stylised meridian arc, the inscription UNESCO PASAULIO PAVELDAS, LIETUVA, 2015 (UNESCO WORLD HERITAGE, LITHUANIA, 2015), denomination (€20) and the mintmark of the Lithuanian Mint.
Reverse
The reverse of the coin features an artistic composition that seeks to immortalise globally-significant achievements in science and technology while studying the Earth’s meridian arc, which covers 10 nations. The Struve Geodetic Arc is named in honour of F. G. W. Struve, a scientist who performed geodetic measurements through the triangulation method and systemised the results. The inscription STRUVĖS GEODEZINIS LANKAS (STRUVE GEODETIC ARC) is arranged in a semicircle.
