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ozjohn
Accomplished Collector-
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ozjohn last won the day on September 15
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596 ExcellentAbout ozjohn
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Rank
ozjohn
- Birthday December 25
Profile Information
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Gender
Male
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Location
Brisbane, Qld
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Interests
Retired electrical engineer.Orchids and tropical plants. Half crowns and florins 1816 - 1946.
Recent Profile Visitors
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ozjohn started following Cattleya Mossiae
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Common name is cup of gold a very vigorous climber of the tomato tobacco family Solanaceae. I haven't room for it although you can buy the plants in Brisbane and I grew one at my last place. It's a very hardy plant. Flowering at the moment is Angel's trumpet, brugmansia suaveolens another in the Solanaceae family.
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A 1911 proof coin I have. In hand it looks good but the photo I took shows evidence of much cleaning. Just goes to show how you can be deceived. The coin didn't cost a lot that probably reflects its condition. Caveat Emptor.
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Very good Goddards seems to work in a similar way with a different process to the Al foil process. I think Swords observation is true leave coin alone if possible. I do find it difficult to to believe that a 100 year old high grade coin can remain untarnished when left undisturbed in a draw or similar for most of that time as the other silver items I have start to tarnish after 3 months of so unless wrapped in sulfur free tissue paper.
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The Al foil and Sodium carbonate/Bicarbonate convert the toning, mainly silver sulfide, back to metallic silver .Whereas Goddards' probably etches the surface to remove the silver sulfide. Personally given the chemistry I prefer the Sodium carbonate/ Al foil method as despite the people who like toned coins the truth is toning is corrosion is damage to the surface of the coin whereas the the sodium carbonate / Al foil is returning the silver to the coin's surface.
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Link may be of interest https://weeds.brisbane.qld.gov.au/weeds I think Hedychium Gardnerianum is listed somewhere in it. Nevertheless it is still grown in Brisbane gardens as it is an attractive plant but can be invasive if not controlled.
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Cattleya Mossiae recently flowering in my court yard.
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I've noticed that the online shop of jncoins seems to be closed although they seem to be still trading on Ebay. Does anyone know if they are going to reopen as buying via Ebay from Australia is expensive. The shipping charges are exorbitant and 10% GST is levied. However if buying direct from a UK dealer from Australia the shipping charge is considerably less and items less than $AU 800 in value do not attract GST. This makes Ebay uncompetitive thanks to Australian retailers lobbying the government on online purchases via Ebay Amazon etc. It would have to be something very special to tempt me to buy via Ebay and normally I buy direct from dealers such as GB Classic coins, and again jncoins in the past
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With this one I think NGC could have been a bit more generous.
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The one I have is the Heaton mint one of 38 mm. Superficially it looks like silver with no sign of any plate wearing off. https://www.colleconline.com/en/items/141399/medaille-royaume-uni-victoria-1897-diamond-jubilee-medallion-heaton-uk This site says it was struck in CuNi.
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Can anyone provide any info on the medal in the attached file that was part of my late sister's effects.. I've tried to find out more information regarding this medal. However although there were several medals struck commemorating the diamond jubilee of Victoria I have not been able to locate this medallion. It is crown size and appears to be struck in silver and the effigy of the queen resembles the Jubilee head rather than the old head that is depicted in the medals I found on line.Any suggestions wold be appreciated. Thanks.
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I like to photograph my coins to keep a record of the, When photographing 50% coins the results always seem lifeless and slightly blurred even though the coin has lustre and good definition in the hand. I am using a Sony alpha 5000 camera with macro lens . The light source is a diffuse multiple LED with switched light levels and color temps. which can be positioned for max overall illumination. I also use the multipoint auto focus. Any suggestions please. Thanks
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Worth having Graded by NGC or PGS
ozjohn replied to ozjohn's topic in British Coin Related Discussions & Enquiries
Thanks for that I've looked online and found Imperial Coins of Hamilton Qld who act for PCGS and are not too far from where I live. Thanks again. -
Worth having Graded by NGC or PGS
ozjohn posted a topic in British Coin Related Discussions & Enquiries
I have never tried to have a coin graded NGS or PGS and have wondered how difficult it is. from Australia. Any information would be useful from anyone who has tried.in the past The coin is a 1916 half crown again one I have had for a while but when re- photographing it thought it may get a MS grading and worth submitting -
The only problem is most of the gaps are the expensive ones.
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It was listed by Atlas Numismatics on Ebay https://www.ebay.co.uk/itm/186286960398