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What It Look Like Aluminium-bronze Coin (Proof)

 
 
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Valued Member
Malaysia
134 Posts
 Posted 07/17/2019  05:27 am Show Profile   Bookmark this topic Add coinSupplement to your friends list Get a Link to this Message
anyone have picture . ?

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United States
12396 Posts
 Posted 07/17/2019  06:03 am  Show Profile   Bookmark this reply Add Spence to your friends list Get a Link to this Reply
@CS, sorry but we need a little more info. What country, denomination, and date are you talking about? Or are you asking in general about coins made from this alloy?
"The danger we all now face is distinguishing between what is authentic and what is performed."
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United States
2208 Posts
 Posted 07/17/2019  07:51 am  Show Profile   Bookmark this reply Add tdziemia to your friends list Get a Link to this Reply
If you are just looking for an example, here is one:

Valued Member
Malaysia
134 Posts
 Posted 07/17/2019  6:21 pm  Show Profile   Bookmark this reply Add coinSupplement to your friends list Get a Link to this Reply
indonesia 50 rupiah 1995
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United States
12396 Posts
 Posted 07/17/2019  7:07 pm  Show Profile   Bookmark this reply Add Spence to your friends list Get a Link to this Reply
@CS, I recommend that you look at numista.com as a resource for this question. Here is a link to the appropriate page, although this is not a proof strike:

https://en.numista.com/catalogue/pieces3697.html

"The danger we all now face is distinguishing between what is authentic and what is performed."
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Australia
13126 Posts
 Posted 07/17/2019  8:49 pm  Show Profile   Bookmark this reply Add Sap to your friends list Get a Link to this Reply
The mirrored fields of proof aluminiun-bronze coins often have a "black" appearance, compared to a normal circulating coin of the same design.

Here's a circulated proof Austrlaian $1 aluminium-bronze coin I found in change many years ago:


I rmemeber when I saw it, my first thought was "Why is that coin all black?". It wasn't black - just mirrored proof.
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Pillar of the Community
United States
2208 Posts
 Posted 07/17/2019  10:37 pm  Show Profile   Bookmark this reply Add tdziemia to your friends list Get a Link to this Reply
The pair of 1970 Austrian proofs I have are very low on the cameo/frosting compared to @Sap and have a bit more uniform appearance as in the photo. The surface color is certainly darker than a normal strike in Al-Br, which is usually closer to gold in my experience (but I guess can also depend on the specific composition of the alloy).

By the way, that 50 rupiah is an interesting coin.





Edited by tdziemia
07/17/2019 10:41 pm
Valued Member
Malaysia
134 Posts
 Posted 07/18/2019  02:50 am  Show Profile   Bookmark this reply Add coinSupplement to your friends list Get a Link to this Reply
australia coin its very nice......
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