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Are Those "Bubbles" On 1885 Strait Settlements 20¢ A Type Of Error?

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Singapore
151 Posts
 Posted 03/29/2022  11:46 am Show Profile   Bookmark this topic Add Coins Mania to your friends list Get a Link to this Message Number of Subscribers
Hi all,

I am wondering are the "bubbles" on the reverse of the 1885 SS 20¢ an error? If so what type of error and what causes it?


Are-Those-
Are-Those-
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JimmyD's Avatar
Canada
21810 Posts
 Posted 03/29/2022  4:14 pm  Show Profile   Bookmark this reply Add JimmyD to your friends list Get a Link to this Reply
Occulated Gas Bubbles?
Pillar of the Community
United States
1915 Posts
 Posted 03/30/2022  03:00 am  Show Profile   Bookmark this reply Add Albert to your friends list Get a Link to this Reply
I saw similar bubbles or blisters on a US Dollar coin.
It was explained to me at the time that the "blisters" appeared as "bubbles" caused by a separation of metals in the coin from "out-gassing" as a result of applied heat.
I'm no expert here, just an offer of something to look into deeper as something similar was found on a coin I had.
Pillar of the Community
Singapore
631 Posts
 Posted 03/30/2022  03:26 am  Show Profile   Bookmark this reply Add Numister to your friends list Get a Link to this Reply
I was also told by a dealer its most likely a result of heat, most likely a fire.
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JimmyD's Avatar
Canada
21810 Posts
 Posted 03/30/2022  08:40 am  Show Profile   Bookmark this reply Add JimmyD to your friends list Get a Link to this Reply
This is a silver coin that would have no layers to separate
so I don't think heat would cause it to bubble.
This is why I suggested Occulated Gas Bubbles.
Read it here
https://www.coinworld.com/news/prec...html#:~:text
Edited by JimmyD
03/30/2022 08:44 am
  Previous TopicReplies: 4 / Views: 895Next Topic  

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