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Found 3 results

  1. Hi, I was looking at some ebay coins and I had heard a lot of people saying to be cautious when buying from ebay. I'm currently working with data analysis and use stuff like machine learning and I was wondering whether we could add another level of certainty when purchasing coins. Would it be possible to tell we have a fake coin from only a real picture. In the case of sovereigns, there are quite clearly some very bad fakes, but there are many which are incredibly difficult to tell apart. In the case of sovereigns, it's possible to spot a fake in some cases (specific years) by counting the number of edges in the rim for example which is incredibly difficult/tedious to do by hand/eye. Therefore I was wondering whether anyone knows an approach to check this way using some software which can look at the color, size of the lettering/figures with the idea that a computer can judge better than a human eye can. Obviously the best checks would be physical such as weight, XRF etc. This software idea would only be to make a quick check and would not be foolproof. Do people think such an idea is feasible? A fanciful idea would be to make this into an app where you could simply take a photo of a coin and return something like 90% chance of being real. Thanks
  2. apart from the obvious it's too thick to fit into correct sized capsules, the visual likeness is crazy. (he made a mistake at 2.32, the thickness should be 2.8mm making the coin too thick, not too thin. this makes sense as copper is less dense than silver so needs the extra volume to make coin weigh the correct 1oz) HH