Occluded gas bubble? Please help!

Discussion in 'Error Coins' started by No_Ragrets, Jan 28, 2024.

  1. No_Ragrets

    No_Ragrets Self-proclaimed Semi-Amateur Numismatist Supporter

    Time to temporarily resurrect this thread from oblivion, which I'm sure the majority of you all would prefer it to remain in. But I'm resilient, and fairly (95%) confident now with my upgraded scope that this is in fact an occluded gas bubble. I was able to watch the raised metal sections move under light pressure from a toothpick today, which (for good or bad) dispelled lots of doubts I had remaining in my head on this.

    Here are some new pictures, direct from the scope and not on a phone camera taking pics of another screen. Please feel free to let me know if this changes your mind, or if you'd rather stay silent, I'll understand. 1956-D 25C Obv- 13MP Gas Bubble Depressed.JPG 1956-D 25C Obv- 13MP Occluded and Ruptured.JPG 1956-D 25C Obv- 13MP Occluded Gas Bubble(1).JPG 1956-D 25C Rev- 13MP(Black).JPG
     
    Last edited: Sep 5, 2024
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  3. No_Ragrets

    No_Ragrets Self-proclaimed Semi-Amateur Numismatist Supporter

    At least now I can be confident that the pictures provided are showing what I'm seeing in person, mostly! It's been a while on this thread, so I apologize for that. But these images are far superior to those from before. Thanks for your time!
     
  4. eddiespin

    eddiespin Fast Eddie

    Well now you're showing something. A gas bubble? Lest my eyeballs are deceiving me I'm seeing that area as trying hard as it can to just lift off and it can't quite do it, but almost as though in the nature of a lamination trying hard to form. An "occluded gas bubble," yeah, a big word, sounds expensive, at the least. What's happening in a lam essentially is the same kind of thing, driving the surface apart. That area looks like something is going on. CONECA would know. A TPG likely wouldn't have a clue. Plus, it may add two cents, but to an error collector. For the sake of knowing what's up, you'd want to give CONECA a shot on these pictures, because, well, that's what they do. Big improvement over those CT scans, lol. Good luck. :)
     
    Last edited: Sep 6, 2024
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  5. No_Ragrets

    No_Ragrets Self-proclaimed Semi-Amateur Numismatist Supporter

    Those prior pics definitely left room for improvement and I'm glad this new scope is as good as it is. I'll take these pics, and maybe some other new ones, and do as you suggested. Thanks for the advice!
     
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  6. desertgem

    desertgem Senior Errer Collecktor Supporter

    Much of the difficulty is the resolution limits of the majority of "coin microscopes". The photos you show of the majority of the whole coin are easy to see as the sharpness is likely close to its best pixel count, As the microscope is adjusted to
    visualize relatively very small objects to make them larger; and there are not enough pixels to see details; the control chip blends them so you don't see blobs and streaks. Of course they don't tell buyers that. It also changes the colors as they merge to show very small objects. Jim
     
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  7. 71Avalon

    71Avalon Well-Known Member

    What is a good brand/type of scope to get? I bought one a while back and only used it once...I wasn't happy with the results. Now it sits on a shelf in the closet collecting dust.
     
  8. No_Ragrets

    No_Ragrets Self-proclaimed Semi-Amateur Numismatist Supporter

    I will say that this scope takes amazing images. It's a 4K scope, but I can't upload those pictures here, even when cropped. They're simply too large for the set parameters. So I knocked the setting from 52MP to 13MP and still need to crop so they fit and will upload. Coin microscopes have lots to offer, but are only as good as the server on which the images are shared.
     
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