5 Dollars - Elizabeth II 4th Portrait - Sydney 2000 Series - Silver Proof

The Sydney 2000 series was among the most ambitious commemorative programs the Royal Australian Mint had undertaken to that point, spanning dozens of individual releases tied to Olympic sports and cultural themes. What distinguishes this specific issue is the pad printing process applied to the silver flan — a technique borrowed from industrial product decoration that allowed full-colour detail impossible through traditional dies alone. The process proved controversial among collectors, as the printed layer is vulnerable to flaking and abrasion in ways that struck relief is not.