[Leon]

Couple strokes of a finger and that factory fresh isn't factory fresh any longer. Trimming is usually apparent to me after I acquire the card. And I think we have all heard or seen (many) stories of a TRM going to a numerical grade on resubmission.

Originally Posted by Yastrzemski Sports

Compare the color of the edges. A trimmed card will Have fresh - not aged cardboard on the outside as it has been cut away. Also the straightness of the cut. It is extremely difficult to do a good job trimming a card. Look for jagged or uneven cuts or an edge or border that isn't straight. Put the edge against a flat surface and see if it is flush. Usually a minimum size card will be miscut one way Side to side or up and down - not both. But if someone did a really good job trimming you may not be able to tell the difference.