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ozjohn

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ozjohn last won the day on April 11

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  1. Perhaps not the rarest coin never the less hard to find in the higher grades. A PCGS MS 64 halfcrown
  2. ozjohn

    Has anyone heard of ICG

    I saw a coin on Ebay graded by IGC and having no experience of them wondered if they were any good.
  3. ozjohn

    Has anyone heard of ICG

    Has anyone heard of IGC? https://www.icgcoin.com/
  4. ozjohn

    Pictures

    Possible but I have not heard of an proven case.
  5. ozjohn

    Pictures

    Not sure if you would be too keen on this one as they can reach dinner plate dimensions. My wife was taking a shower and felt something and brushed it off not realizing the size of the spider. The next thing I heard was Johnnn! The best way to deal with them is a rolled up news paper or a pint beer glass and a piece of stiff cardboard if you are charitable. not that they are dangerous. However a few years ago I had an encounter wit a funnel web spider which is deadly. I was down stairs where I lived and about to put my thongs on (flip flops) and this spider reared up at me. It was dispatched but it was a deadly funnel web. We have plenty of venoms animals here.
  6. ozjohn

    Pictures

    A "welcome " garden visitor? A huntsman spider, a medium sized one as they can get much bigger but their venom is not dangerous although they can inflict a painful bite.
  7. Quite right. Tire is from attire, honor is older English. Note Honor Oak a suburb of London. Plus many other words. The fall, for example is older English autumn is a more recent addition from French. A good reference is Fowler's Modern English Oxford University Press which incidentally I saw for sale at the New York City Library.
  8. Excuse my ignorance as I only collect dates. What is the difference between Rev E and Rev C?
  9. Thanks Vicky. Yes I was forgetting about the lions. Of course my comments regarding possible wear refers to the second coin which was not very clear in my first post.
  10. Two 1914 florins I have one a NGC MS64 and the other one I brought on Ebay some time ago. Both are nice coins but I was wondering which was the better coin. I value any comments as it helps me to improve my grading skills by having a second opinion in addition countering my bias regarding ownership of the coin. My view is the NGC coin is better as there seems to be some wear on the top of the King's ear and eyebrow but this could be due to a worn die Thanks.
  11. Received this 1891 florin today. A coin I have been waiting a long time to find. The toning is a bit uneven but I do not think it warrants any cleaning at this stage. Overall a very nice rare coin that I obtained at a very reasonable price.
  12. ozjohn

    Cleaning

    With the above example I think the results speak for themselves. As for the original coin and the QM disturbance of the atoms who knows as you will never know what the original was as it has already been destroyed by the toning.. All I can say is if carefully done the effect seems to be minimal. From memory I think the immersion in the Bicarb/ Al foil bath was less than 1/2 a minute with most of the original lustre being preserved. I don't think I could have wished for a better result.
  13. ozjohn

    Cleaning

    Are we taking coin cleaning to a quantum mechanical level? On a serious note I have tried the process and it seems to work well. Before doing this I tried it on some worn coins as well to check the process and get some idea of how long to immerse the coins. I also took a long time to make up my mind to do this. Before and after on an NGC MS 62 encapsulated coin are shown below. I have previously posted these results. Perhaps I could have pushed the cleaning further but in accordance with my extreme caution I minimized the amount of ceaning
  14. ozjohn

    Cleaning

    Rob, We are not talking about coins that have been sealed in some fashion. The coins I was referring to are ones that have been randomly put away in a draw closet etc. and rediscovered later. Your example is not typical for the treatment of most coins however a very nice coin indeed. Sword, It is possible to remove tarnish chemically by use of the Al foil bicarb. of soda method that returns the oxide and sulfides of silver back to metallic silver again therefore not removing any of the surface of the coin. As with any cleaning to be approached with caution. jeldia, I think your response to this topic is a good commonsense approach to a serious subject. In general I think a hoard of coins buried for a thousand years in a porous clay pot would be effected in some way by the environment with all of the conditions for corrosion present in the soil water , corrosive chemicals etc.No plastic sealants in those days.
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