■ Obverse : GCSB / TE TARI WHAKAMAU IRIRANGI (maori : Office of Efficient Radio ?) … in centre : 3 rings around map of New Zealand ( see notes )

■ Reverse : NZSOC / SEMPER / VIGILANS (latin : always vigilant) … in centre : 3 rings around taiaha

■ Dimensions : 40.2 mm … ■ Weight : 31.0 g

■ Materials : matt silver finish … with green and blue enamel

■ NB : GCSB = Government Communications Security Bureau … one of three departments along with the New Zealand Security Intelligence Service (NZSIS) and the National Assessments Bureau (NAB) that report directly to the Department of the Prime Minister and Cabinet (DPMC) … Sigint = Signals Intelligence