1950 France 10 Franc - Coin Community Forum

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Author	Replies: 7 / Views: 1,287
moose59 Pillar of the Community United States 732 Posts	Posted 11/17/2018 6:15 pm Ok so I have these two 1950 10 Franc coins the are like night and day. Something seems different, other than the obvious. (Wear) Does anyone see anything or am I going nuts? Report this Post to the Staff

IndianGoldEagle Bedrock of the Community United States 36770 Posts	Posted 11/17/2018 6:18 pm The one on the left has the rooster with 4 feathers, on the right, 3 feathers. Report this Post to the Staff
Coinfrog Bedrock of the Community United States 94367 Posts	Posted 11/17/2018 6:48 pm Of course. Report this Post to the Staff
moose59 Pillar of the Community United States 732 Posts	Posted 11/17/2018 6:54 pm Looks to me as if they are made out of different material Report this Post to the Staff
paralyse Bedrock of the Community United States 12057 Posts	Posted 11/17/2018 7:29 pm This is actually the semi-key issue for the 1950-1958 10f issues (the key is 1950-B) -- these coins were struck out of a unique alloy of aluminum bronze (i.e. aluminum, copper, nickel) similar to the alloy used on the gold-colored outer ring of modern Canadian bimetallic coins. The alloy forms a natural protective layer of aluminum oxide on the surface of the coin, a barrier against corrosion; if this layer is disturbed (chemical dips, cleaning, etc.) the color will vary quite a bit. Impurities and changes in the alloy's composition will cause different colors naturally. The US "golden dollar" coins are manganese brass (copper + zinc) clad over a solid copper core. They suffer similar variations in color based on the environment they're exposed to, whether or not they were rinsed off at the Mint, etc. They also oxidize (tarnish) like any other brass-plated item. Member ANA - EAC - TNA - SSDC - CCT #890 "Most of the things worth doing in the world had been declared impossible before they were done." -- Louis D. Brandeis Report this Post to the Staff
tdziemia Pillar of the Community United States 7945 Posts	Posted 11/17/2018 8:36 pm Cleaning brightens up these coins. Possibly the one on right was cleaned. Though I would also say the one on the left has a bit darker patina than those that I've had. Edited by tdziemia 11/17/2018 8:38 pm Report this Post to the Staff
moose59 Pillar of the Community United States 732 Posts	Posted 11/18/2018 05:55 am Personally I like the darker one. Don't know why. It just appeals to me. Report this Post to the Staff
scopru Pillar of the Community United States 5029 Posts	Posted 11/18/2018 07:18 am Nice coins moose. I have several that are dark to light and in between. Nothing out of the ordinary to me. with paralyse comment. Report this Post to the Staff
	Replies: 7 / Views: 1,287

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