You can just call the 800 customer service line and they will be able to look up the item if you have the item number. They can tell you which stores have it.
Official Sales Alert thread - Page 1637
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'Please note that all SS13 product, music and books are NOT included in this promotion, along with all AW12 product from the following brands: Ann Demeulemeester, Comme des Garcons Wallet, Comme des Garcons Fragrance, Comme des Garcons Homme +, Issey Miyake, Junya Watanabe, Lanvin, Haider Ackermann and Dries Van Noten."