Classical Numismatics Discussion
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FORVM`s Classical Numismatics Discussion Board  |  Numismatic and History Discussions  |  Uncleaned Ancient Coin Discussion  |  Topic: Newbie coin cleaning questions. 0 Members and 1 Guest are viewing this topic. « previous next »
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Author Topic: Newbie coin cleaning questions.  (Read 563 times)
Brad F
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« on: November 17, 2019, 12:24:15 am »

I have bought some uncleaned Roman coins. I'm having a lot of fun cleaning them and trying to identify them. The coins were pretty cheap, about $2 CAD and as such are not in great shape.

Of the first 6 I have one is in great condition, I'm taking my time and not having much trouble with it. The other 5 are not as nice and I have been experimenting with them.

It's seems there are about 5 layers to the coins.

1. Dirt
2. Intact patina (dark shiny green)
3. Patina where the top layer has been removed (lighter dull green)
4. Corroded bronze
5. Shiny bronze (more recent damage?)

If there are only specks of the dark green patina left is it bad to remove them for a more uniform look?

I'm attaching some pictures of my coins. I'm hoping if someone can tell if this is what they should look like. If I could clean them more, or if I'm over doing it. Also any general advice would be appreciated as I'm a complete beginner. Thanks!


* IMG_20191117_014916.jpg (1676.72 KB, 2597x1515 - viewed 1 times.)

* IMG_20191117_014758.jpg (1596.84 KB, 2607x1498 - viewed 0 times.)

* IMG_20191115_220811.jpg (251.12 KB, 1072x1056 - viewed 0 times.)

* IMG_20191115_220826.jpg (387.56 KB, 947x900 - viewed 0 times.)
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Justin W
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Justin W


« Reply #1 on: November 17, 2019, 11:15:45 am »

Ill give my two cents on this.
1) as you have already noted you bought these coins cheap and because of that most of the coins have little patina. I still think that cheap coins are great to practice on.
2) what I mean by little to no patina, if you take a look at the fifth coin it has detail but the bronze is showing already in most places and it looks like this is the case on the other ones as well.
3) the 1st coins obverse seems like it may have a patina intact.

Lastly good job with the coin in the last pictures  Thumbs Up

Ps you should almost never take off a patina but if its just flaky bits then its not that terrible to do so to get a more detailed coin!
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B-Chicago
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« Reply #2 on: November 18, 2019, 08:52:47 pm »

those were already cleaned a little bit or more when you got them and yes good ones to practice on and probably better than you'd get that was described as "uncleaned" most of the time


re:

If there are only specks of the dark green patina left is it bad to remove them for a more uniform look?

sometimes but not always

I'm attaching some pictures of my coins. I'm hoping if someone can tell if this is what they should look like. If I could clean them more, or if I'm over doing it. Also any general advice would be appreciated as I'm a complete beginner. Thanks!

hard to say what they "should look like" but after some experience you may find out how to get them to look like you like them to look - just try not to go too fast and too harsh whatever you do



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