Calling all toning experts

Good afternoon fellow collectors,

As I know the history of the coins and how they how they were stored I tought they had to be real toned coins. But as the toning is such a complex and I have not gone into reading that much about it. I am now wondering if this is what they call inverment damage and there for not a toned coin ?

Took new pictures of one of them as I have three. File is large so you should be able to see all the details on the colours.

Siggi

 

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Enviromental damange just looks dirty and or corroded it dosent have all the different colors like you have on your coin ex purple and green. I belive your coin is toned due to age a weird one though. Its nice i like it

 

Nor do I.

Has some of the toning turned to black? If so, you might want to use some sort of encapsulation to slow the process. Otherwise they may all turn black.

Chris

 

Thanks Camreno, I love this coin specially the history if were it came from as well as colours

GDJMSP you must forgive my haste in typing resaulting in typos. I ment environmental damage and it´s touched on here

http://rg.ancients.info/guide/toning.html

Not all toning is beautiful. With some coins toning can indeed be brilliantly and spectacularly colorful. With other coins toning can only subtly enhance eye appeal. With still other coins, toning can be dark, streaky, splotchy, spotty, uneven, or otherwise ugly, making the coin look like an algae-stained remnant from the Blue Lagoon. Because such toning when extreme is considered environmental damage, the top grading services won't grade these coins.

 

Thank you sir, Now I understand this as well. I must read up on toning one day and give it some time and effort.

I store all my coins in airtites and if I get this correctly that would stop the progress ?

 

i don't know much about toned coins, but it looks cool imo

 

It wont stop the proccess it will just slow it down, because toning is a result of sulfer in the air, you can put it an an airtite capsul but really its not away from 100% of the air, unless you put the coin in a labratory vacume or something lol, however it will dramatically slow it down, if you keep it in there, you probably wont see much change during your lifetime.

 

Next stop for my collection

 

My 2 cents

I am not an expert!!! Sigg
&
I think it toning that is NT was in the mixing of the metal before striking.
:kewl: Metals may have a human DNA ?
Some will tone NT and other will not tone.but silver & copper will tone if it going to no matter what type of holder it is in.

 

Moon coins?

 

An airtite will do the job to essentially halt the toning process.

 

What is that coin anyway? its pretty epic

 

That would be a 1931 5 kronur medal.

From the central bank of Iceland

"Under a law on the celebration of the millennium of the
Althing in 1930 the government was permitted to issue a set of
medals with embossed value. The law stipulated that the
medals could be given validity as legal tender by a royal
decree. This provision was never carried into effect"

Only 20.001 minted and actually my uncle designed the back of it. So it´s a favourit of mine in many ways

 

The back is the best part to pretty cool, whats the coin made out of?

 

My 10Kr came back as env. damaged as well. Paul at Liberty coin told me that these coins were released with factory toning applied and not to dip it off. I think once the TPGs realize this the undipped 1930 commems from Iceland will command a large premium for being original.

 

Silver

 

Interesting ! I actually did not know that, I´ll have to ask around for confermation from the central bank museum.

 

I have not heard of it before or since but I really trust the guy who said it. Interested to hear what they have to say.