Versions of s. 439(2)

On any indictment or prosecution of an accused for receiving, secreting or disguising any wreck, for having the possession thereof, for selling or dealing therewith or for defacing or obliterating marks thereon, unless the accused shows that he was possessed of the wreck for more than twelve months before the date of the indictment or the commencement of the prosecution, it lies on the accused to show that he did not know and had not the means of knowing it to be a wreck, or that he was lawfully possessed of, or entitled to sell or deal with, the wreck.