Definition of "Minimal Wave"
I was looking at a recent ad for a 1953 Topps Mantle card that had been graded VG-EX 4.5 by PSA. The ad stated the card had "very minimal wave" otherwise the grade would be higher. Does that mean the card is slightly bowed but without a wrinkle or a crease ? Will a slightly bowed card typically receive a downgrade ?
Thanks
Russ
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