Most of the errors on PSA & SGC labels are just typos like we all make and they don't really pose a problem for people that are keeping lists for the front/back combos but there are some that do and one of them that has caused an issue in the past and was just brought up again in another thread is a Murray (portrait) that is a Piedmont 350-460 factory 25 that PSA incorrectly labeled a Piedmont factory 42.
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Here are A list of some of the errors in the PSA & SGC pop reports, the ones in red are those that have caused issues in the past or could cause issues for people following the front/back combos.
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Here's an image of the label error on the Spencer
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