need a little advice about grading crossovers
I've got two cards that I'm thinking about doing crossovers with. One of them I own, and one of them I'm considering picking up.
The first one is my SGC 86/7.5 NM+ 1956 Topps Mantle. The second is a 1949 Bowman Bob Feller GAI 8.5 NM-MT+
So my question is simply this...if I send both of these to PSA as crossovers, what level of expectation can I reasonably have that they will cross over with the same grade?
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