Help? 1915 Austrian 4 Ducat Gold Coin Only 10.5 Grams?

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Author	Replies: 5 / Views: 917
Deliberation78 New Member Brazil 3 Posts	Posted 12/11/2022 3:51 pm Can someone please help me? I have this 1915 Austrian 4 ducat coin that looks to be gold. I haven't had it tested but it looks like gold. It looks just like the 1915 4 ducat gold coin, but all of the 1915 4 ducat gold coins that I can find on the internet all weigh around 13.X grams. This coin only weighs 10.5g. Does anyone have any idea's what this could be - forgery? It's approximately 40mm wide. Report this Post to the Staff

erafjel Pillar of the Community Sweden 2124 Posts	Posted 12/11/2022 4:01 pm A genuine one should weigh 13.96 g. If it weighs only 10.5 g then it is not genuine, and probably not gold at all. But to Coin Community! Report this Post to the Staff
Coinfrog Bedrock of the Community United States 94367 Posts	Posted 12/11/2022 5:42 pm to the CCF! Report this Post to the Staff
sel_69l Bedrock of the Community Australia 21786 Posts	Posted 12/11/2022 5:45 pm With a reported weight of 10. 5 grams, my first suspicion is that this particular coin made of gold plated brass. I am aware that base metal fakes of the Austrian 4 Ducats are out there. The only way to make a base metal core weigh the same as genuine, would be the thicken the core. Such a fake would still be easily detected. Report this Post to the Staff
Deliberation78 New Member Brazil 3 Posts	Posted 12/16/2022 12:52 pm Tks to everyone who responded to this topic. To close the communication link about this coin - we did a test at a jeweler - it is made of 18k gold. I found it quite strange, I once read the fakes 1 sovereigns coins made in Italy and Saudi Arabia are made of 18k gold (750) and weigh only 0.2g less than the original 22k (.917). Would the fact that Ducat standard is 23k make all that weight difference? Best regards Report this Post to the Staff
sel_69l Bedrock of the Community Australia 21786 Posts	Posted 12/16/2022 7:01 pm If it has exactly the same dimensions as genuine (which I seriously doubt), at 18 ct gold, it should weigh 12.55 grams. Therefore, I also seriously doubt that is composed of 18ct gold. The only statement I can make with confidence, is that the core has a density of that between copper (8.93 g/cc), and 18ct gold (16.72 g/cc) Report this Post to the Staff
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