Very rare medal of King Friedrich Wilhelm III, awarded as the State Award for Science, projected by D. F. Loos, minted in 1801.
Obverse: bust in armor with a cloak and a jewel of the Order of the Black Eagle
FRID GUILIELMUS III REX ACADEMIAE PROTECTOR MDCCLXXXXVII
Reverse: inscription in four lines in a laurel wreath
SCIENTIARUM ET LITTERARUM INCREMENTO
