I see in my Beckett that 2007 Topps '52 has some cards that have both SP's and "Action" versions that are worth more than the "regular" version. How are these versions different than the "regular" card? I have two different versions of #70, Delmon Young, but don't know which is which. I also have a #170 of Justin Upton, but don't know what version it is. Can anyone help?
I can post scans if it'd help.
I can post scans if it'd help.
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