I suppose in your country you can put things to auction unintentionally? Because this was not what he intended. This was a trade or a sale, not an auction, which are both consensual contracts. If there is no consensus between parties on important parts of the contract, the contract is null and void.
Sapienti sat.
And regarding your nasty comment about magical countries which you used to emphasize your ignorance, it only makes me assume that you don't know many places outside of US, real or magical, and very likely not even the legal system of your own country.