Need Help Please! - Coin Community Forum

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Author	Replies: 6 / Views: 1,102
t0rress Pillar of the Community Bulgaria 843 Posts	Posted 02/08/2011 3:09 pm I do not know how to tell if two small coins are gold or copper or gold plated.I will buy it from bulgarian auction.If you cant say you can say me how to understand if it's gold or no. Edited by t0rress 02/08/2011 3:28 pm Report this Post to the Staff

swamperbob Pillar of the Community United States 5362 Posts	Posted 02/08/2011 3:29 pm t0rress - Checking the area of the holes with a microscope may be enough to see if there is a color change. The coins all have holes - so you can check inside the hole and even remove a small scraping of metal without damaging the value if any. So start by looking then lightly cut into the inside of the coin and watch for a color change. If it still looks good you can check the metal filings with acid. Jewelers have the acid you need and you can tell if the metal is gold since it does not dissolve in acid. The coins could be checked for Specific Gravity but they are so small that you would need an analytical scale that accurately measures to 1/10,000th of a gram. Report this Post to the Staff
t0rress Pillar of the Community Bulgaria 843 Posts	Posted 02/08/2011 3:36 pm but the coin isn't mine I will say to the seller to look Report this Post to the Staff
Bacchus2 Pillar of the Community United Kingdom 2902 Posts	Posted 02/08/2011 4:19 pm These are not coins but jewelry pieces. Almost certainly they are not gold. My Papal States coin collection: https://diadumenian.com/Papal%20Sta...0States.html Medieval coins collection: https://diadumenian.com/Congressofp...0Europe.html Indian Rupee Collection: https://diadumenian.com/Congressofp...0Rupees.html Minor world Silver: https://diadumenian.com/Congressofp...20coins.html Report this Post to the Staff
swamperbob Pillar of the Community United States 5362 Posts	Posted 02/08/2011 4:23 pm I would not buy these or any other coins without seeing them first. If you want to take a gamble buy them as if they were copper. Report this Post to the Staff
svslav Pillar of the Community United States 2605 Posts	Posted 02/08/2011 4:47 pm These are imitation Ottoman coins for costumes (belly-dancing for example). I would not expect any precious metals in them. Report this Post to the Staff
t0rress Pillar of the Community Bulgaria 843 Posts	Posted 02/09/2011 03:23 am Thank you all.I would not buy that coins Report this Post to the Staff
	Replies: 6 / Views: 1,102

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