In the centre of the coin the national Coat of Arms of Greece, surrounded by ΕΛΛΗΝΙΚΗ ΔΗΜΟΚΡΑΤΙΑ. In the next ring inscription 2500 ΧΡΟΝΙΑ ΑΠΟ ΤΗ ΜΑΧΗ ΤΩΝ ΘΕΡΜΟΠΥΛΩΝ. In the wide, outer ring a scene of battle between Greeks and Persians shown in the manner resembling of ancient pottery or bas reliefs. Rim decorated with the meander pattern. At the bottom denomination 10 ΕΥΡΩ.
Description reverse
Bare-chested Leonidas, king of Sparta, wearing helmet and holding shield decorated with meander pattern, advances to the right, surrounded by the spearheads visible in the background. On the shield inscription ΘΕΡΜΟΠΥΛΕΣ - 480 π.Χ. and 2020 ΛΕΩΝΙΔΑΣ
Reference
Greece. 10 Euro (Silver) 2020, National Mint of Greece. CoCo GR-2020-0004.