Seven used these graphics from September/October 1997 to June 1999.
Openers
A shot of the news presenter was introduced in 1998 (Melbourne and Sydney) with the sports and weather presenters also featuring during weeknight bulletins in Sydney.
I actually think that this might be a national late edition because at the end for the weather segment, Chris only reads out major centres temps for the following day. And goes on to say the next major bulletin is Sunrise at 6am