Norway, Kingdom. An Order of St. Olav, Grand Cross Set in Gold, by Tostrup

Instituted in 1847. A beautiful set, comprising the sash badge in 18 karat gold, white enamelled Maltese Cross, with gilt crowned monograms "O" between the arms of the cross, obverse centrepiece shows red with the golden Norwegian lion bearing a battle axe on a red background surrounded by a white-blue-white ring, reverse bears the King Oscar's motto “Ret og Sandhed", marked on the ring TOSTRUP OLSO and 750 denoting 18K Gold, suspension loop has been sewn directly to ribbon, measures 60 mm (w) x 86.3 mm (h), including ribbon weighs 93.05 g, minor enamel chip to the enamels on the crown, enamels on the cross are pristine, in extremely fine condition. 

Accompanied by the star of the order, featuring an 18 karat gold insignia mounted upon an eight-pointed silver star, Maltese Cross in white enamel, with crowned monograms "O" between the arms of the cross, centrepiece shows the golden Norwegian lion bearing a battle axe on a red background surrounded by a white-blue-white ring, reverse with a vertical pin assembly, central cartouche of maker J. TOSTRUP OSLO, measures 79.5 mm (w) x 78.5 mm (h), weighs 81.34 g, in extremely fine condition.

Footnote: The Royal Norwegian Order of Saint Olav is a Norwegian order of chivalry instituted by King Oscar I on 21 August 1847. It is named after King Olav II, known to posterity as St. Olav.