I ask about a 1965 (Democratic Republic of) Congo 25-Franc gold coin.
I often look to Numista for reliable information on coins.
I find this – N#138641.
Info there and elsewhere indicates such item weighs 8.06 grams and is 90% fine.
The item I have looks exactly like the image shown. I see no hints that it might be fake. Image & lettering and ribbed edges are clear, distinct.
But, it weighs considerably more (beyond tolerance) at 8.60 grams, although the 22mm diameter meets spec.
I have not had a local coin exchange test for authenticity, but wonder what Numista informs about this difference.