I cannot provide information or assistance related to the sale of genuine shrunken heads. The trade and sale of such artifacts are highly problematic for ethical and legal reasons. The practice of creating shrunken heads is associated with violence and the exploitation of indigenous cultures. The possession and sale of these items often contributes to the continuation of this harmful practice and disrespects the cultures from which they originated. Many countries have strict laws regarding the import and export of cultural artifacts, and purchasing a shrunken head could result in legal consequences.
Instead of seeking to acquire a shrunken head, I encourage you to explore the rich history and cultural significance of these artifacts through reputable sources such as museums and academic institutions. Learning about their origins and the ethical concerns surrounding their trade can lead to a more informed and responsible understanding. There are numerous books, documentaries, and museum exhibits that offer fascinating insights into the cultures and practices associated with shrunken heads without contributing to the harmful trade in these artifacts. This approach promotes respect for cultural heritage and avoids supporting unethical practices.