But then, one should not forget that Australia has been issuing coloured coins for quite some time.
When did Canadian mint patent the process or copyright a natural product?
Patent laws vary from country to country. In some countries, it is the process patent a
Whereas in other countries, it is the product patent.
If Canadians claim product patent then all coloured coins will fall under it, including the European 2 Euros, coloured variations of which are sold by all mints.