Perth Mint's high-relief strikes demand multiple die passes at slower production rates, which is precisely why this format appears selectively across the Kookaburra series rather than annually. The 2012 issue marked the program's 23rd year of continuous production — one of the longer-running silver bullion series from any sovereign mint.
Perth Mint's high-relief strikes demand multiple die passes at slower production rates, which is precisely why this format appears selectively across the Kookaburra series rather than annually. The 2012 issue marked the program's 23rd year of continuous production — one of the longer-running silver bullion series from any sovereign mint.