OS 800 Scandinavian cufflinks mystery mark

[imnideit]

Hi, I am hoping one of you amazing people out there know this maker, they obviously are Scandinavian but not sure which country and wondered if someone knew the OS maker, i suppose it could be the OS maker in the Danish Makers Marks section but wasn't sure since there isn't an actual photo of their mark, just an "O.S." reference, and my mark doesn't have dots after the letters. Thanks, Tom