Ancient coin?

Can anyone help with what this coin might be?


I think it may be a cast/forgery, but I was wondering of what type?
I took it down to my local jeweller and he tested it and said its at least 22k on his tester, could be higher but his tester doesn't go any higher.
Any help would be grateful.
Thanks,
Hus


I think it may be a cast/forgery, but I was wondering of what type?
I took it down to my local jeweller and he tested it and said its at least 22k on his tester, could be higher but his tester doesn't go any higher.
Any help would be grateful.
Thanks,
Hus
0
Comments
Osca, Spain. AR Denarius. 204-154 BC. Head right with short beard, legend resembling '*N' behind / horseman galloping right with spear, Iberian legend resembling '*PMAN' = BOLSCAN below. Burgos 1501, Villaronga 3, CNH 6.
4 grams and roughly 18.5 mm in diameter.
This one is 3.6grams and about 15mm in diameter.
To me that rules out it being made from gold as it should weigh more, unless of course its on a much thinner planchet.
Makes me wonder why the jeweller said it was gold 22k+ he even offered to buy it from me.