There's a beautiful high-grade CBCS VF 8.0 Off-white pages copy of Zip Comics #1 (MLJ, 1940) along with several other issues of the series up for auction in the 2024 September 26 – 27 Heroes of ...

The Zip Comics #25 Steel Sterling story written by Robert Kanigher seems to have been inspired by the 1941 Yankees/Dodgers World Series.