Hi welcome to the forum,
Cherries(three)& branch, the maker's mark of the Frisian master- smith;
Jan Anthonie Karsten, registered in the city of Leeuwarden from 1766-1787. It is not unusual to see Frisian silver lacking guild/assay marks. The pin dot inscriptions are most likely the initials of one of the previous owners.
Best,
Oel.
Gratitude;
Jan Schipper Zilverstudie