BSK was a New York City based company that was in business from the 1940′s -1950′s. The initials B.S.K. stood for the first initials of the owner’s names.
The B was for Benny Steinberg, the S was for Hy Slovitt and the K was for Mr. Kaslo.
Their line was reasonably priced and could be found in some department stores and Woolworth’s.