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Announced on Australia Day and the King’s Birthday public holidays each year
A masterwork of innovation and a unique window into Australia's military history
two echidnas
9% pure silver and vivid full-colour captures the essence of the Aussie bush perfectly
2025 World's Most Expensive Stamps - Benjamin Franklin Z-Grill Silver Proof Coin baby year set Europe and CanadaIn 1868, the United States issued an experimental series of postage stamps featuring the grill pattern a grid of embossed cuts designed to prevent reuse. The variant with horizontal impressions, known as the Z Grill, has survived in only two copies. One is held in the collections of the New York Public Library, while the other sold at auction in 2024 for a record $4. 3 million. This coin faithfully recreates the appearance of the stamp, highlighting
