Medal by Dutch medallist Johann Georg Holtzhey.
Gold plated specimen.
Obverse: half-figure of Friedrich II in a wig, in decorative armor, right
FRIDERICVS MAGN D G REX BORVSS EL BRAND DVX SILES ET
Reverse: two figures, the winged figure holds a case with lightning bolts in the right hand, in the left hand a shield with the inscription VICTORIA / FRIDERI / CI MAGN, below the figures, on the left, kneeling Czechia with a crown falling from their heads, behind them a tree, on the right side two vessels with inscriptions symbolizing the rivers: the Elbe (ALBISL) and the Vltava (MOLDA), in front of them a cannon, bullets, armor, ears of grain, a barrel, banners, AVSTR. EXERC. PROPE. PRAG. FVNDIT/ CASO ET PRAGA OBSESSA/ VI MAJI MDCCLVII in exerque
FAMA. PRVDENTIA ET VIRTVTE
Diameter 48 mm, weight 36.82 g