In 1926 , he opened his own store , which he continued to operate until the 1970s .
Mruk then began a career in the jewelry business by working at several stores in the Buffalo area .
In 1926 , Mruk opened Mruk 's own store , which he continued to operate until the 1970s .
Mruk then began a career in the jewelry business by working at several stores in the Buffalo area .