This 1944s Australian shilling was struck in San Francisco USA (note the S mintmark) on an underweight planchet of 4.95g. Some Australian silver during WWII was struck in both San Francisco and Denver in the USA as demand for coinage…

Having been in and around error collecting for 15 years I often see the new error collector lusting after spectacular errors or varieties that are worth many hundreds or thousands of dollars. The unfortunate reality is that not all of…

As originally published in Australasian Coin and Banknote Magazine in September 2022. What Went Wrong -error coins that escaped the Mint We’re going to discuss an error coin this month that originated from an overseas mint. A mint that, in…

We’ve looked at all the different types of clips before and how they’ve occured but how can you really tell if you have a genuine clip or not? Often it is difficult to tell if a clip is a genuine…

This article appeared in June 2012 Australasian Coin and Banknote Magazine written by the team at the Australian Coin Collecting Blog and is reproduced here for your viewing pleasure. One of the most common Australian pre-decimal errors that you’ll find…

As published in the Australasian Coin and Banknote Magazine June 2015 by the Australian Coin Collecting Blog. Subscribe here. Hub Doubling – What is it? “Hubbing” is the process in coin manufacturing where hardened positive image working hubs are pressed…

If you haven’t checked out eBay for a while then you’re missing some impressive and quality error coins currently selling on that great online garage sale. Even if you’re just a window shopper you should still take a look as…

This indent coin error has occurred when the previously struck 50c failed to exit the press cleanly and was jammed against the new blank when it was struck. This has left the impression and incuse (brockage) imprint of the coin…