The auction is being held by CHARITYBUZZ in support of WhyHunger which seeks to end hunger and poverty by connecting people to nutritious, affordable food and by supporting grassroots solutions.
Given the high price tag, you might expect that the guitar would come with a guarantee, but the listing explicitly states that the guitar was never owned or played by Taylor and does not include a certificate of authenticity.
Nevertheless, the signature does appear to be 100% authentic. But don't take our word for it, check out our guide on how to tell a real Taylor Swift autograph from a fake one!
Of course, if you want to buy a real Taylor Swift autograph for a fraction of the price, you can always pick up an authentic signature from the Tales From the Collection store.