- Main article: Books (Thieves Guild)
- Location: On a table in the treasury of the Fulstrom Manor House, within the Fulstrom Homestead.
- Author: Mercator Mannix, Imperial historian
- Collection: Hew's Bane Bookshelf
Honorable Thane Fulstrom,
Though the events of 2920 are largely fictional in nature, the seed of truth has borne fruit in the form of the Giovessen Skull. It is indeed the gold-dipped and gem-encrusted cranium of Tavia, famously imprisoned in Castle Giovesse at the behest of Emperor Reman III. Whispers that the Giovessen Skull is a false relic appear to have been spread by a previous owner in Hammerfell, no doubt to discourage the attempted theft of such a valuable piece of history.
I hereby certify the Giovessen Skull as authentic. All rumors claiming the source skull was from a condemned Breton prisoner are just that - rumor.
Mercator Mannix, Imperial Historian