Valor facial: 10 zl
Diâmetro: 32 mm
Metal: 925/1000 Ag (halograma)
Tiragem: 100000 pçs
Obverse: At the top, an image of the Eagle established as the State Emblem of the Republic of Poland. On the left side of the Eagle, an inscription, 10. On the right side of the Eagle, an inscription, ZŁ. Below the Eagle, an oval hologram with a stylized image of the NIK logo, that changes colour depending on the viewing angle. Surrounding the hologram are some decorative elements. In the rim, a semicircular inscription, RZECZPOSPOLITA POLSKA, and the notation of the year of issue, 2009. The Mint’s mark, M/W, under the Eagle’s left leg.
Reverse: In the centre, a stylized image of the present head office of the Supreme Chamber of Control. Below the image, an inscription, 1919-2009. At the top, a semicircular inscription, 90. ROCZNICA/UTWORZENIA. At the bottom, a semicircular inscription, NAJWYŻSZEJ/IZBY KONTROLI.
Coin designer: Urszula Walerzak