Thickness Of A 1911 Indian Head Gold Coin - 2 1/2 Dollar

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Author	Replies: 7 / Views: 1,946
GaryN Valued Member Canada 293 Posts	Posted 03/12/2014 9:37 pm I just purchased one of these and would like to authenticate it. I can't seem to find the thickness of these coins. If you have one of these and could throw a caliper on it, it would help me greatly. The coin I have is 1.06mm weighing 4.18 grams. Thanks. 18mm x ? Report this Post to the Staff

Fuzzy317 Moderator United States 14463 Posts	Posted 03/12/2014 9:44 pm I don't have one with me to check, but the weight and size match the facts at http://www.coincommunity.com/us_gol...ian_head.asp Report this Post to the Staff
sel_69l Bedrock of the Community Australia 21786 Posts	Posted 03/13/2014 03:30 am Fortunately, the Bela Lyon Pratt design coins are the easiest to check for thickness. Unfortunately high precision calipers still needed, because it may be perhaps still 18 ct. gold, with only a small difference in density, if fake. Does it have a mint mark? Report this Post to the Staff
GaryN Valued Member Canada 293 Posts	Posted 03/13/2014 10:22 am No, there's no mint mark. Report this Post to the Staff
Conder101 Bedrock of the Community United States 17884 Posts	Posted 03/14/2014 12:39 am Usually the concept of thickness on a struck coin is meaningless. Where do you measure it at? Most people try and measure at the rims, but the rim thickness varies and is also a function of the strength of the strike. On the Prat coins though the "rim" fields and high points of the design are all the same thickness so a measurement of these might make sense. Unfortunately as far as I know there are no official stats on thickness except for that of the strip/blanks. Report this Post to the Staff
Thundercoin Pillar of the Community United States 675 Posts	Posted 03/15/2014 4:51 pm If you could post pictures of it, some of our forum members could probably give you a good idea of whether or not it is real. To be certain you could take it to a reputable coin shop and someone there should be able to let you know if it is authentic. Report this Post to the Staff
Gold4Ever Valued Member United States 170 Posts	Posted 03/18/2014 08:11 am I have afew myself but never checked the thickness of mine but It says 1.14mm .. http://onlygold.com/TutorialPages/C...nVersion.htm Report this Post to the Staff
GaryN Valued Member Canada 293 Posts	Posted 03/18/2014 11:17 am Gold4ever.....great information. This is what I needed. Report this Post to the Staff
	Replies: 7 / Views: 1,946

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