At the top, the image of the Eagle established as the state emblem of the Republic of Poland, and on the rght, on a separated area, the notation of the year of issue: 2015. Below the Eagle and the separated area, the inscription: RZECZPOSPOLITA POLSKA (Republic of Poland). At the bottom, the palace and religious complex in Ostrów Lednicki: on the left, on a separated area - the plan of the palatium and the chapel, on the right - a stylised image of the edifice. Below, the inscription: 20 ZŁ. The Mint mark, m/w, below the Eagle, on the right.
At the bottom, an image of the Lednicka Staurotheke-the reliquary of the True Cross. Above, in the background, the remains of the palatium in Ostrów Lednicki. Along the rim, from the bottom to the top, the inscription: RELIKTY BUDOWLI PAŁACOWO-SAKRALNEJ NA OSTROWIE LEDNICKIM (Relics of the palace and religious complex in Ostrów Lednicki)
coin in plastic etui