If it's vital that your cards stay in order, we strongly recommend that you stripe your cards. This was a standard technique in the days of punch cards.
How to do it: Using a pen and a straightedge, draw a diagonal line across the top or end of the deck. This ensures that the cards won't get hopelessly out of order if they are dropped during shipping. The diagonal line will help us put the cards back in order if they get dropped or shuffled during shipping or handling.
→ For striping a whole box of cards, a better technique would have 2 lines of differing slopes: draw one long unbroken diagonal line from front to back of the deck/box, and then break up the box into decks about 2 inches thick, and give each deck a separate diagonal line; do not cross the lines. Reason for doing this: Diagonals of low slope can make it very difficult to figure out which cards go in which order; adjacent cards will get marked in very nearly the same place. So, lines of low slope mark only the rough location of each card. The lines with higher slope provide much better precision.
Legalese: While we make every effort not to be careless, we are not responsible for maintaining the ordering of unstriped or improperly striped cards.
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