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warshawlawThere are 2 categories: (1) cards newly discovered from already-catalogued sets and (2) newly discovered or uncatalogued sets. The former often requires only a call or email to the grading staff at SGC for them to look out for it and consider it. That was my experience with some uncatalogued Pinkerton scorecards that SGC graded for me. The latter requires more intervention. I had SGC slab a rare Japanese O'Doul card for me at the National. I picked it up from Gary Engel, who wrote the book, literally, on Japanese cards, and they wanted to talk to him about it to verify what it was before slabbing it.