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 Replies: 33 / Views: 4,755 |
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Valued Member
Canada
128 Posts |
Hi all, I would like your opinion on this coin found in a shrink wrap roll from the mint. The coin weight is : 6.4g instead of 5.05g (21% heavyer) The coin does NOT stick to a magnet The coin is thicker I search and the closest I find is a Madagascar stainless coin mint at the Royal Canadian Mint in 1999.       |
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Pillar of the Community
Canada
668 Posts |
Very interesting. Your coin is visibly different and based on the weight looks like a foreign planchet to me.
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Pillar of the Community
Canada
851 Posts |
A keeper for sure!
This is out of my wheelhouse and I have no idea what it could be worth.
Anyone have any ideas on value?
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Pillar of the Community
Canada
3328 Posts |
Very cool, were there any cupro-nickel planchet with that weight? If it was steel or nickel it would be magnetic like a regular 1999 quarter.
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Moderator
 United States
56855 Posts |
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Bedrock of the Community
United States
94367 Posts |
Interested in hearing more!
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Valued Member
Canada
234 Posts |
Wow!!! Good finding !!!! You can take a look at this reference. There's a few foreign coin minted by the RCM at that period of time. http://www.coinscan.com/coindimensi...rnickel.htmlFew of them have the reported weight and same diameter than the Canadian 25 cents, but based on Cupro Nickle Could be: 06.40g 23.90mm United Arab Emirates 1 Dirham 1995 to 2012 06.40g 23.95mm East Caribbean States 25 Cents 1981 to 2007 06.40g 23.90mm Oman 50 Baisa 1975 to 2008 |
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Pillar of the Community
United States
883 Posts |
Edited by PlumCrazy814
02/15/2022 10:27 am
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Pillar of the Community
Canada
668 Posts |
A caliper measurement may help clear that up.
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Pillar of the Community
Canada
5324 Posts |
Only an XRF will tell the whole story and with that info graded will give you max value, collectors always pay more when you can match the foreign planchet
Edited by john100
02/15/2022 10:49 am
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Pillar of the Community
Canada
668 Posts |
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Pillar of the Community
 Canada
1775 Posts |
No one else think it's silver. They did mint the year set in sterling. Weight 5.9 g's, 0.1 mm thicker than nickel. Still a bit overweight, but that would explain the extra thickness. The toning is nice, and makes me think this way. Does it sound like silver?
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Pillar of the Community
Canada
3328 Posts |
I did think possibly silver but the weight seems closer to the foreign copro-nickel planchet, also it just has the look of a cupro-nickel coin. I even though maybe a possible over strike but I don't see any signs of overstruck.
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Pillar of the Community
Canada
1618 Posts |
Could be struck on a 1998 UAE 1 dirham planchet, which is copper-nickel, 6.5 g and similar diameter to a regular 25 c canadian planchet The RCM did not strike coins for the East Caribbean States until 2006, nor for Oman with a similar weight and year. |
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Pillar of the Community
Canada
668 Posts |
I'm gonna go out on a limb and say that it's definitely thicker than .1 mm difference judging by that photo. Again a caliper measurement could clear that up.
Edited by coinman91
02/15/2022 11:28 am
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Moderator
Canada
10456 Posts |
Quote:
If it was steel or nickel it would be magnetic like a regular 1999 quarter. FYI: Stainless steel can be non-magnetic. "Discovery follows discovery, each both raising and answering questions, each ending a long search, and each providing the new instruments for a new search." -- J. Robert OppenheimerContent of this post is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License. See: http://creativecommons.org/licenses...0/deed.en_USMy eBay store
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Replies: 33 / Views: 4,755 |
Posted 02/15/2022 09:15 am
