It seems that they have scaled back on selling the most egregiously racist items, such as this one:
This may be the reason that Google no longer considers them offensive enough to ban from advertising.
But they still have lovely items like this one:
Which they claim is anti-Zionist, not anti-Jewish.
They also sell a full reproduction of Julius Streicher's edition of Der Sturmer that accuses Jews of ritual murder, a few Holocaust denial books, and other virulently anti-semitic books from the Nazi era translated into English.
Google must consider Jew-hatred acceptable but black hatred to be over the line.
HRW's former "military expert" Marc Garlasco would also feel at home with the many "militaria collectables" they have for sale, which all center on Nazi-era items, just like Garlasco's collection.
Complaints to Google should be sent here, and the URL of the offending ad is http://www.google.com/aclk?sa=L&ai=CSfLDxFDES7neJ5aYlQeJxdzMApTzxnXY-4mxCIHd9gcIABABIMm4rQtQzt--lgdgyZ7yirSk2A_IAQGqBBlP0Hl8kFUQvermac_LZwV5nAexgkvoLV85&sig=AGiWqtz9fXFzkxN6FPfzFMjE7APX2FblfA&q=http://nsm88records.com/theshop/product_info.php%3Fproducts_id%3D1664 .