Hello, I'm looking for old Perth Mint bars with the "Perth Mint West Australia" logo in the sizes 1oz, 5oz, 10oz, 20oz and 1kg. I'm also looking for other old Australian bars such as Engelhard, PJW, ABC, Kalgoorlie, Geomin, Johnson Matthey , Matthey Garrett, Harrington........ up to 1kg. I would be happy if someone got in touch. Greeting Christian