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filipinonumismatist
Admin
Posts: 159
Points: 19731
Reputation: 1
Join date: 2009-02-20
 |  Subject: Forum for New Discoveries or still Unidentified Materials Tue Sep 01, 2009 4:14 pm | |
| Hi everyone! You can post coins, notes, and other materials that you think might be something new, very rare, or had not yet been identified. Thanks FN  |
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keridas
Posts: 2
Points: 1882
Reputation: 0
Join date: 2010-01-23
| | Subject: Re: Forum for New Discoveries or still Unidentified Materials Sat Jan 23, 2010 8:00 pm | |
| Hi!
Going through some of the coins I horded in last few years, I found this interesting one.
It is a 25 centavo coin, 1998, looks like any other 25 centavo coin, except that is is silver, or more appropriate, looks like it was made form the metal used in the 1 peso.
Anybody know anything about this particular coin? |
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DIC
Posts: 103
Points: 16051
Reputation: 1
Join date: 2009-02-22
| | Subject: Re: Forum for New Discoveries or still Unidentified Materials Mon Jan 25, 2010 12:15 am | |
| post a picture if you can so that it would be easier for people to comment as to what that coin may be. |
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nic
Posts: 84
Points: 14632
Reputation: 0
Join date: 2009-08-22
Location: Philippines SEAsia
| | Subject: Re: Forum for New Discoveries or still Unidentified Materials Tue Feb 09, 2010 9:30 am | |
| probably silver plated, done by curious people yes, please do post a pic, now you got me curious too |
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abe
Posts: 77
Points: 13027
Reputation: 0
Join date: 2009-06-04
| | Subject: Re: Forum for New Discoveries or still Unidentified Materials Wed Feb 10, 2010 12:17 pm | |
| I also saw one. my cousin showed it to me. it is not silver it has a silvery luster. I think that i was "tinubog" electroplated in gold or silver or other alloys or metals and it is used at wedding ornaments especially the "aras" wedding coins.
I saw an "aras" at a wedding and it contains several 1970 25 cents that are plated. |
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Newbie
Posts: 9
Points: 1897
Reputation: 0
Join date: 2010-02-11
| | Subject: Re: Forum for New Discoveries or still Unidentified Materials Thu Feb 11, 2010 9:46 pm | |
| I thought I just got a new discovery...a 10 Peso Coin with a 25centavos coin in the middle...someone is replacing the middle part with 25 centavos coins. I think it's related to the belief that the middle part of 2000-2001 10 peso coins is made of gold. |
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coolacoin
Posts: 31
Points: 6061
Reputation: 0
Join date: 2009-07-31
| | Subject: Re: Forum for New Discoveries or still Unidentified Materials Fri Feb 12, 2010 8:03 am | |
| Here is one kind of white 25 centavos which I recently discovered. This is not aras or plated.  |
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abe
Posts: 77
Points: 13027
Reputation: 0
Join date: 2009-06-04
| | Subject: Re: Forum for New Discoveries or still Unidentified Materials Fri Feb 12, 2010 6:54 pm | |
| what is the weight of the coin? |
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coolacoin
Posts: 31
Points: 6061
Reputation: 0
Join date: 2009-07-31
| | Subject: Re: Forum for New Discoveries or still Unidentified Materials Sat Apr 10, 2010 9:15 am | |
| Don't have a weighing scale but it is definitely not copper. I have been seeing this type of coin even in other dates. |
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embosed
Posts: 56
Points: 9724
Reputation: 6
Join date: 2009-02-24
Age: 35
Location: California, USA
| | Subject: Re: Forum for New Discoveries or still Unidentified Materials Sat Apr 10, 2010 9:23 am | |
| This 25 centavo that you are suspecting to be a "white" metal is still a brass. But it has been dipped by a strong acid or a corrosive chemical before and so the outer layer of the metal tends to corrode and changed color. Try to smell the coin. If it has a distinctive odor similar that of a copper, then your mystery solves.
EWY |
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| | Forum for New Discoveries or still Unidentified Materials | |
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