Averse: Lithuania Coat of Arms and stylized meridian arc. Coins on the left side of the carved inscription - a UNESCO World Heritage Site, LITHUANIA, in 2015, the bottom of the coin is inscribed the denomination 20 € and Lithuanian Mint logo.
Reverse: compositionally sought to perpetuate a world of scientific and technical achievements of the Earth meridian arc, crossing ten countries and named Struve Geodetic Arc scientist who carried out the triangulation method geodetic measurements and codified their results FGW Struve honor. The reverse is also engraved in a semicircle word Struve Geodetic Arc.
Edge: Edge record three major Lithuanian state-protected Struve Geodetic Arc points names and their coordinates: Gireišiai N55º54'09 "E25º26'12 * Meškonis N54º55'51" E25º19'00 * PALIEPIUKAI N54º38'04 "E25º25'45 *
Coin painter: Tadas Zebrauskas.
