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Does Toning Reduce The Value Of Ancient Coins?

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Bob June's Avatar
United States
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 Posted 05/07/2021  12:27 am Show Profile   Bookmark this topic Add Bob June to your friends list Get a Link to this Message Number of Subscribers
I put some silver coins in an abafil tray a few months back and now that I checked back on them I saw that they had acquired rainbow toning- Does this essentially mean that my collection is worthless now and the coins are ruined in terms of value?
Edited by Bob June
05/07/2021 12:28 am
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 Posted 05/07/2021  05:38 am  Show Profile   Bookmark this reply Add Kushanshah to your friends list Get a Link to this Reply
Attractive toning can actually add to a coin's value.
Edited by Kushanshah
05/07/2021 05:39 am
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Spence's Avatar
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34393 Posts
 Posted 05/07/2021  05:38 am  Show Profile   Bookmark this reply Add Spence to your friends list Get a Link to this Reply
@bob, in my experience, toning doesn't really affect the value one way or another, although it is true that the vast majority of my silver ancients are not toned. Any chance of you adding to this thread a couple pics of one of the toned coins? Thx.
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Palouche's Avatar
Spain
2752 Posts
 Posted 05/07/2021  5:35 pm  Show Profile   Bookmark this reply Add Palouche to your friends list Get a Link to this Reply
Agree with KS....I'm really drawn to toned coins and will pay a little bit more for a nice silver and black coin....Here's a few of mine....The first Domitian doesn't really show its multicoloured toning with its blue, yellow and grey colours.I store all my ancient coins in open trays and they do darken in time...
Does-Toning-Reduce-The-Value-Of-Ancient-Coins?
PS....Would like to see some photos of yours......Paul
Edited by Palouche
05/07/2021 5:51 pm
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louisvillekyshop's Avatar
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 Posted 05/07/2021  8:19 pm  Show Profile   Bookmark this reply Add louisvillekyshop to your friends list Get a Link to this Reply
Here is a beautiful toning effect I just photographed so before I throw away the photos I post them here. Almost like an old movie on the reverse in my opinion.


Does-Toning-Reduce-The-Value-Of-Ancient-Coins?
Does-Toning-Reduce-The-Value-Of-Ancient-Coins?
Does-Toning-Reduce-The-Value-Of-Ancient-Coins?
Does-Toning-Reduce-The-Value-Of-Ancient-Coins?
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Kamnaskires's Avatar
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7066 Posts
 Posted 05/07/2021  9:34 pm  Show Profile   Bookmark this reply Add Kamnaskires to your friends list Get a Link to this Reply
Wayne Sayles devotes a section of his Ancient Coin Collecting book to the factors that may affect the value of an ancient coin - both positive factors adding to value (e.g. provenance, rarity, etc.) and negative factors reducing value (e.g. flan cracks, crystallinity, tooling, etc.).

Toning is, rightfully, listed as adding value. He points out that cleaning a coin, to the extent that it appears "shiny and new...may be acceptable for modern coins, but ancient coins lose much of their emotional appeal if they look new." Later in the paragraph he states "Coins with even and natural toning are more desirable, and consequently worth more, than those which have recently been cleaned."

Many ancient coin collectors have tried various strategies to speed up toning on overly cleaned recent acquisitions. Rainbow toning, as you describe, Bob, would be considered a very desirable outcome.
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 Posted 05/07/2021  11:48 pm  Show Profile   Bookmark this reply Add FVRIVS RVFVS to your friends list Get a Link to this Reply
Personally I like a nice flan crack on larger sized bronze pieces
Not so large as to leave a gap in the detail but a nice crack in a 2-3rd century Sestertius gives me more to examine and determine with confidence that I am holding the "real deal" !
Fakes are getting awfully good these days
But faking both a thick (preferably green) patina and the correct deposits found inside of a cracked flan is still a challenge for the architects of fraud
I personally find a good crack to more positive than negative
But that's the beauty of collecting ancients
It's a matter of taste
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