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are you talking about the gold-plated (real gold, right?) pins on the SD card? those are supposed to have scratches on them! any card which has been used before should have them. it's normal, it comes from making contact with the SD slot. Sometimes you can tell if a card has been used in more than one device, because each pin will have scratches that don't quite line up (ie, more than one scratch line on each pin).
if you buy a card without scratches like that, it means the card has NOT been tested in the manufacturing process.
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