Van Gogh Bottlecap coin (2022 Precious Metal Collectors)
In 2016, coin innovators, CIT, released a one-off coin incorporating an unusual design. Struck to look exactly like a bottle cap, it was issued to mark 500 years since the introduction of the Bavarian Purity Law, which strictly regulates what ingredients can be used in beer. It was two years later that this new concept became considerably more popular, [...]