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All Forums Category: General Numismatic Forums Forum: "Post Your..." Gallery Topics

Question About Unusual Coinage Materials/Post Your Unusual Materials Coins!

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JohnQPublic
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 Posted 04/02/2026  11:23 pm  Show Profile   Bookmark this reply Add JohnQPublic to your friends list Get a Link to this Reply
This coin was struck in Rhenium, Zirconium, Cobalt, Hafnium, and Tantalum

https://en.numista.com/catalogue/se....php?id=3631

Mine weights 6.6 g (close to the stated 6.8 g in the link), pretty much conforming it is the tantalum version (I purchased it as tantalum). Tantalum had a series of 100, the rest 10 or less.
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JohnQPublic
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 Posted 04/03/2026  12:54 am  Show Profile   Bookmark this reply Add JohnQPublic to your friends list Get a Link to this Reply
I have this coin from Zinkann also. This one is a Vatican fantasy coin, 999 silver, 30mm dia, 1.4mm thick, 8.5g.

2007 10 Euro Josephus

Question-About-Unusual-Coinage-Materials/Post-Your-Unusual-Materials-Coins!
Question-About-Unusual-Coinage-Materials/Post-Your-Unusual-Materials-Coins!
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Errers and Varietys
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 Posted 04/03/2026  10:54 am  Show Profile   Bookmark this reply Add Errers and Varietys to your friends list Get a Link to this Reply
Very nice JohnQPublic.
Errers and Varietys.
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Dearborn
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 Posted 04/03/2026  3:18 pm  Show Profile   Bookmark this reply Add Dearborn to your friends list Get a Link to this Reply
nice additions JohnQ
Collecting since 1972. Learning from then on
"Tell me and I forget. Teach me and I remember. Involve me and I learn." - Benjamin Franklin
7070 type set coin count: 51/76 Uncirculated American Silver Eagles My American Silver Eagle Proof Collection Sacagawea Dollars Innovation Dollars
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jbuck
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 Posted 04/06/2026  3:53 pm  Show Profile   Bookmark this reply Add jbuck to your friends list Get a Link to this Reply
Nice examples!
Coin Collector Since 1978Question-About-Unusual-Coinage-Materials/Post-Your-Unusual-Materials-Coins!AvatarQuestion-About-Unusual-Coinage-Materials/Post-Your-Unusual-Materials-Coins!Old AvatarQuestion-About-Unusual-Coinage-Materials/Post-Your-Unusual-Materials-Coins!7070Question-About-Unusual-Coinage-Materials/Post-Your-Unusual-Materials-Coins!EisenhowerQuestion-About-Unusual-Coinage-Materials/Post-Your-Unusual-Materials-Coins!AustraliaQuestion-About-Unusual-Coinage-Materials/Post-Your-Unusual-Materials-Coins!CanadaQuestion-About-Unusual-Coinage-Materials/Post-Your-Unusual-Materials-Coins!WorldQuestion-About-Unusual-Coinage-Materials/Post-Your-Unusual-Materials-Coins!CCF Members on eBayQuestion-About-Unusual-Coinage-Materials/Post-Your-Unusual-Materials-Coins!CCF eBay Search Engine
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