The world of collectibles has a lot of uncertains, particularly for older items.  Often there was no contemporary documentation.In those cases it is often better to include information but explain the different view points starting with a note in bold at the start of the description text.  Here is an example  -


The Database Item should be related to its claimed Subjects until there is enough evidence to edit the entry and remove the note.  In those cases it is best practice to mention the controversy and explain how it was resolved.