COLLECTOR NOTE: KEY DATE – FIRST EVER HIGH RELIEF. This listing features the. Historically significant as the. Very first High Relief Kookaburra. Ever released by the Perth Mint. With a strict mintage limit of only 10,000, it is far scarcer than the standard bullion issues of the same year. Description Experience the artistry of Australian wildlife with the 2012 Perth Mint Kookaburra 1 oz Silver Proof High Relief coin. Sculpted by Darryl Bellotti, the reverse features the iconic kookaburra perched on a gum tree branch, surrounded by lush leaves-a motif symbolic of Australia’s natural heritage. Unlike standard coins, this High Relief edition is minted on an extra-thick blank approx. 6mm with concave surfaces on both the obverse and reverse. This allows for exceptional sculptural depth, making the bird appear to rise visibly from the background. The coin comes safely housed in the original Perth Mint presentation clamshell box with a numbered Certificate of Authenticity and illustrated shipper. Item: 2012 Australia 1 oz Silver Kookaburra Proof (High Relief). Significance: First year of High Relief Kookaburra series. Packaging: Perth Mint presentation case, numbered COA, display shipper. Issuer: The Perth Mint. Composition: 1 Troy oz. Diameter: 32.6 mm. Thickness: 6 mm (High Relief). Finish: Proof, High Relief (Concave fields). 10,000 (Strict Cap).