B.örje Forsberg

Börje Forsberg (born June 22, 1944 - died September 14, 2017) was a Swedish producer also known as Boss (2). He was also the father of Jennie Tebler and Tomas Forsberg (2) who was also known as Quorthon, founder of the band Bathory.
He founded the subcompany Black Mark Label in 1984.
In 1991 he establishes the independent record label Black Mark Production, which undergoes legal changes in 2001.
"Black Mark AB" was registered as a limited company on 16th May 2001.
Is still used to identify Phonographic Copyright ℗ and Copyright ©.
The label Black Mark Production changes its name to Black Mark (3) as well label code, Börje Forsberg is her boss until he dies.
Black Mark (3) the company operated under this name until today, and its owner is probably Börje's Forsberg second wife.