Suriname 10 and 25 Cents

https://en.numista.com/catalogue/pieces9523.html

https://en.numista.com/catalogue/pieces9524.html

I have both coins in my collection. Both from 1989. Both are not magnetic. I think the information in the KM-catalogue are wrong.

Hi Ulmo, wellcome to the family

This 'issue' is recurring on the forum. But so far, my effort to change the catalog stranded.

Perhaps someone should retry and refer to this topic:
https://en.numista.com/forum/topic25147.html

(repeated in:
https://en.numista.com/forum/topic33855.html
https://en.numista.com/forum/topic33856.html)