Blazon
Quoting Woodward: Or a cross-Calvary Azure on a canton the arms of the Diocese of Auckland. Meaning; A gold (or) shield. On it is a three-stepped Christian cross coloured blue (azure,) A Canton is a small square at the top of the shield and on this are the Arms of the Diocese of Auckland.

Source: NZ Anglican Church Clerical Directory 2005/2006 edition
Clerical Directory header
PDF at 19
Both accessed 31 Jan 2006