But Jeff, this is from our very own forum.
http://net54baseball.com/forum/content/goudey.html
For the most part, Goudey cards (including the 1933 Sport Kings) were all cut the same way between 1933 and 1938, and therefore trimming detection is fairly straightforward.
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My avatar is a sketch by my son who is an art school graduate. Some of his sketches and paintings are at
https://www.jamesspaethartwork.com/
He is available to do custom drawings in graphite, charcoal and other media. He also sells some of his works as note cards/greeting cards on Etsy under JamesSpaethArt.