Prince d'Essling #1261

1809

Retour du roi de Prusse à Berlin (Loos)
Obverse - Pd'E #1261 (1809) Reverse - Pd'E #1261 (1809)
Obverse - Bustes habillés et accolés à dr. du roi et de la reine.
Reverse - DES VOLKES FLEHN KRÖNT WEIDERSEHN.
  La Ville de Berlin deb. près d'un autel.
Arg. 36 mm.
 
The event itself is briefly mentioned in this article on Wikipedia. The Queen and the King had been staying ahead of Napoleon's victorious armies but eventually had to accept Prussia's defeat and returned to Berlin. Loos engraved several versions to commemorate in various sizes and with different legends.