Do These Coins Need A Longer Bath? - Coin Community Forum

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Replies: 5 / Views: 1,227

Medieval

Pillar of the Community

3772 Posts

Posted 12/29/2014 05:37 am

Poll Question
Here three Kushan coins which spent some time in olive oil, enough to be able to attribute them (have to go through Mitchiner for details). Seems whatever is left of the green stuff is inactive, but some could probably be still removed:

Do-These-Coins-Need-A-Longer-Bath?

Obverse: King standing facing / Reverse: Ardochsho enthroned facing

Tentative attribution: Kanishka II

Do-These-Coins-Need-A-Longer-Bath?

Obverse: King standing facing / Reverse: Shiva standing facing, Bull Nandi behind facing left

Tentative attribution: Vasishka

Now the question is:

Should I let the coins bath more or leave them as they are?

Results

Leave them as they are	50%	4 Votes
Clean some some more - state which ones	0%	0 Votes
All need some more time in olive oil	50%	4 Votes

Poll Status: Open
Total Votes: 8 Counted
Last Vote: 12/29/2014 12:46 pm

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kanga

Pillar of the Community

United States

5825 Posts

Posted 12/29/2014 08:36 am

The "green" is most likely verdigris.
Whatever damage it's formation could have caused has already happened.

>> BEFORE YOU ACT ON MY SUGGESTION WAIT FOR OTHERS TO CHIME IN <<

There is a product called Verdi-care that will remove the "green".

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pishpash

Pillar of the Community

United Kingdom

3626 Posts

Posted 12/29/2014 11:43 am

They don't have BD. I would leave them alone now.

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echizento

Moderator

United States

23731 Posts

Posted 12/29/2014 12:10 pm

Other than you may want to brush them with a soft brush, they don't need any more soaking.

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chuy1530

Pillar of the Community

United States

513 Posts

Posted 12/29/2014 5:35 pm

I used Verdi-care on some culls as an experiment and it did remove that type of green when I left it in for a few hours. I can't say I really recommend it though, because the surface under the green is likely to be worse looking than the green itself.

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Medieval

Pillar of the Community

3772 Posts

Posted 12/29/2014 5:58 pm

Just out of curiosity 'chuy1530', after you cleaned those culls you probably had patches of significantly different colour - did you soak them in olive oil after to get a more even colour?

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