The Navy's Anchorage
HMAS Harman Medallion Challenge Coin
HMAS Harman Medallion Challenge Coin
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Originally known as the RAN Wireless/Transmitting Station Canberra, HMAS Harman was officially commissioned on 1 July 1943. The base provided essential communication services for Allied forces deployed in the Pacific region during World War II and was also the birthplace of the Women's Royal Australian Naval Service, formed on this site in 1941. Today, Harman enables Defence-wide communications, cyber, intelligence, and information warfare capabilities.
Design & Significance
Design & Significance
Every element of this coin's design carries symbolic weight, true to naval tradition:
- Rope Roundel — the encircling rope border represents a strong, unbreakable bond — a symbol of loyalty and security.
- Blue — denoting unwavering loyalty, faith, and strength; in naval tradition, blue represents the sea itself.
Coin Specifications
Coin Specifications
- Diameter: 48mm
- Thickness: 4mm
- Material: Zinc alloy with shiny gold plating
- Finish: Epoxy coating over raised metal detail
- Presentation: Supplied in a protective PVC pouch

Commemorate Navy's home of mine warfare with this finely detailed challenge coin, honouring the history, heraldry, and spirit of Navy. A distinctive keepsake for serving and former personnel, collectors, and anyone with a connection to Australia's naval warfare training heritage.