That's a shame, that no records could be found. Although, this was very kind of this particular RootsChatter to try to find them.
Just to add Giovanni's name does not appear in the inquest list at North Shields library.
However, Battista you might like to have this memoriam for your ancestor John George. It appeared in the Shields Daily News on 5 November 1924. It is on microfilm at the library:
'BATTISTA. - In loving memory of our dear brother, John George Battista, 16th Batt. N. F., killed in action Nov. 5 1916. Sleep on, dear brother, and take thy rest, They miss you most, who loved you best; forgotten by some he may be, forgotten by us he never shall be. - Remembered by his sister Lily, brother-in-law, Bob, also nephew Willis.'
What lovely words!