<https://www.cheap-comics.com/shop/witcher-tp-vol-07-ballad-of-two-wolves/#product>
<http://schema.org/sku>
"290709"^^<http://www.w3.org/2001/XMLSchema#integer>
<https://www.cheap-comics.com/shop/witcher-tp-vol-07-ballad-of-two-wolves/>