The spoons are Norwegian and marked 13 1/4 lot and that is about 828/1000 and made in 1822-1823 by Carl Andreas Mordt (Morth), born in 1764 in Halmstad, Sweden*, in 1794 he moved to Kristiania/Oslo, master there in 1796. He died in 1824 and seems to have been a prolific maker.
Father of Jacob Andreas Mordt
Ref: Fossberg, Jorunn (1994) Norske sÃ¸lvstempler: GullsmedhÃ¥ndverk i byene pÃ¥ Ã˜stlandet fÃ¸r 1870.
* Probably son of Anders MÃ¥rdh (silversmith in Halmstad, born ca. 1723, master and marriage in 1761, mentioned in 1780, moved to Kungsbacka and died in 1790 in Gothenburg).
Ref: Erik AndrÃ©n; Brynolf Hellner; Carl Hernmarck; Kersti Holmquist (2000) Svenskt silversmide: Guld-och silverstÃ¤mplar 1520-1850