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Hey Can I Pick Your Brain About This Coin I Have?

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Valued Member

154 Posts
 Posted 04/14/2018  9:21 pm Show Profile   Bookmark this topic Add Coinnewbie3 to your friends list Get a Link to this Message Number of Subscribers
Does this speckle evidence cast or environmental? That crack that appears on both sides- does that mean its more environmental or can that be made with a cast or hammered? I paid about a fair price for it but I am curious now.The impressions on both sides appear kinda light

Cn. Pansa Caetronianus.

Weight: 3.1 grams

Size 18 mm

Cheers!

Hey-Can-I-Pick-Your-Brain-About-This-Coin-I-Have?
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echizento's Avatar
United States
23731 Posts
 Posted 04/14/2018  9:26 pm  Show Profile   Bookmark this reply Add echizento to your friends list Get a Link to this Reply
The coin is fine, it's just worn.
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Lucky Cuss's Avatar
United States
4883 Posts
 Posted 04/14/2018  10:17 pm  Show Profile   Bookmark this reply Add Lucky Cuss to your friends list Get a Link to this Reply
Reverse strike is quite obviously way off-center. Interestingly, a specimen shown by Numista (that was evidently handled by Heritage Auctions) is about as bad in this regard.

See: https://en.numista.com/catalogue/pieces66914.html

I concur that the coin doesn't seem to exhibit characteristics of a modern forgery. It'd be too clever by half to include that raised lip outside of where the edge of the die fell.

Colligo ergo sum
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sel_69l's Avatar
Australia
21788 Posts
 Posted 04/14/2018  11:15 pm  Show Profile   Bookmark this reply Add sel_69l to your friends list Get a Link to this Reply
A crack across the coin can lead to a good diagnostic.
If the crack is genuine, the coin has to be handled VERY carefully, or it will fall apart.
Ancient silver coins can suffer from one of two aging processes, (and sometimes both):
Horn silver (white powdering which can fall off)
Silver crystallization which can result in geometric patterns on the coin's surface, that can be subject to wear.

Have a look inside the crack with high powered magnification. If it has been cast, the bottom of the crack will appear smooth. Same approach is often used for examining inside radial edge striking splits, inside of which should appear ragged or irregular.

Also look for casting bubble pits or raised dimples, which should appear round, whereas corrosion pits should appear irregular in shape.

Also look at the surface of the edge chip:- if irregularity then genuine, or smooth (cast).


These examination tests can apply to ancient silver coins generally, and so are worth remembering.
They can contribute to establishing authenticity.

Calgary Coin has a good website on the subject of ancient coin authentication. A lot of my comments have been based on what they have published on their website.
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154 Posts
 Posted 04/15/2018  5:45 pm  Show Profile   Bookmark this reply Add Coinnewbie3 to your friends list Get a Link to this Reply
Which Pansa is this? is this the consul of late roman republic that helped defeat Mark Antony at Battle of Mutina?( circa 42 BC?)
Or it the other one related to this Pansa (c. 100BC)

Cheers
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