What does the Commonwealth Bank of Australia logo symbalise?

Hi, you don't need an IBAN for this bank. It's not required provided u have a swift code, bsb and a/c no.

This is the BSB for Head Office: 062-000 Commonwealth Bank of Australia 48 Martin Place Sydney NSW Each branch has its own BSB (Bank/State/Branch).

In the early 90's, about 1991 or 1992

It's the southern cross

The SWIFT Code for Commonwealth Bank is CTBAAU2S