Diametter Of Morgan Dollars - Coin Community Forum

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Author	Replies: 5 / Views: 1,313
mtbravo New Member Hungary 1 Posts	Posted 05/12/2012 05:31 am Hi everybody, I am new here ,I have some problems with my Morgen dollars : their diammeter must be 38.1 mm or 1.5 inches , but I meassured at my 1886 O mintmak 37.8 mm . Just want to ask if this is normall that am ancient coin have not exactly the desired diametter ? Many thanks ! Report this Post to the Staff

Conder101 Bedrock of the Community United States 17884 Posts	Posted 05/12/2012 09:52 am Are you measuring it with a micrometer or are you eyeballing it with a ruler? If you are using a micrometer, then no it is not normal. At the MOST it would be off by .1 mm and it would be larger than the 38.1 mm standard not smaller. Report this Post to the Staff
52Raymo Pillar of the Community United States 8516 Posts	Posted 05/12/2012 10:25 am Have you tried a magnet on it ? Oregon coin geek.....* GO BEAVS ! ! ! * Report this Post to the Staff
SteveCaruso Pillar of the Community United States 1796 Posts	Posted 05/12/2012 10:49 am Aye first use a good set of calipers to get the diameter. If it's off that much and the reeding isn't very worn down, you're probably looking at a counterfeit. Follow the other tests here to double-check: http://fakes.numismetrica.com/ident...ounterfeits/ Also, welcome to the forum! :-) Edited by SteveCaruso 05/12/2012 10:51 am Report this Post to the Staff
Coinstar Pillar of the Community United States 1510 Posts	Posted 05/12/2012 12:00 pm its old but not ancient. Thats reserved for the roman coins ect. Quote: Just want to ask if this is normall that am ancient coin Retired USAF 1983-2003 Edited by Coinstar 05/12/2012 12:00 pm Report this Post to the Staff
SsuperDdave Moderator United States 23522 Posts	Posted 05/12/2012 12:33 pm The mint presses of the day were more than accurate enough to strike with better than 0.1mm accuracy of diameter. If quite worn, though, I could see a diameter of 37.8mm but the reeding would need to be significantly and visibly worn. To give you an idea of the quality of the Morgan & Orr presses used to mint Morgans, I have read that there are still some in use today at the San Francisco Mint, 130+ years old. The original Carson City Press #1 is still used to press medals. Report this Post to the Staff
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