https://en.numista.com/catalogue/pieces4098.html
The Notebook for the above says Metal Bronze and shows years 1983-1997, with a note (in French) after 1994 and 1997 which translates as KM#54b is copper-plated steel. I hope it's alright that I created
https://en.numista.com/catalogue/pieces19908.html
for just the KM#54b, so that the Notebook is correct just for this type. So can Admin amend the first page to 1983-1990 and collections be adjusted. Thanks :)