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1966 Proof Set Cleaning

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Author Replies: 11 / Views: 281Next Topic  
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crab eater's Avatar
Australia
625 Posts
 Posted 05/29/2026  03:22 am Show Profile   Bookmark this topic Add crab eater to your friends list Get a Link to this Message Number of Subscribers
I have bought a 1966 proof set from Roxburys on ebay from a single photo of the reverse sides in the blue case,
all are in petty good condition but when inspecting the obverse sides the 1cent coin has a horrible big spot of something on it.
Can I soak it in acetone without (further) ruining the coin? Please help .

1966-Proof-Set-Cleaning
1966-Proof-Set-Cleaning
1966-Proof-Set-Cleaning
Edited by crab eater
05/29/2026 03:25 am
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Keith67's Avatar
United States
6507 Posts
 Posted 05/29/2026  03:27 am  Show Profile   Bookmark this reply Add Keith67 to your friends list Get a Link to this Reply
That spot is not coming off.
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Marv65's Avatar
United States
10484 Posts
 Posted 05/29/2026  03:27 am  Show Profile   Bookmark this reply Add Marv65 to your friends list Get a Link to this Reply
That's a spot of corrosion that has leached out and has eaten into the metal surface - Sadly there is nothing that can be done for that coin.

EDIT: I'd get it out of there just in case...........
Edited by Marv65
05/29/2026 03:29 am
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ijn1944's Avatar
United States
19115 Posts
 Posted 05/29/2026  07:24 am  Show Profile   Bookmark this reply Add ijn1944 to your friends list Get a Link to this Reply
Agree with all above--an unfortunate development which acetone will not address.
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HondoB's Avatar
United States
24939 Posts
 Posted 05/29/2026  08:45 am  Show Profile   Bookmark this reply Add HondoB to your friends list Get a Link to this Reply
Find another proof cent on ebay and replace it. At least it's not the 50 cents!
Inordinately fascinated by bits of metal with strange markings and figures
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jbuck's Avatar
United States
187702 Posts
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Sharks's Avatar
Canada
1760 Posts
 Posted 05/29/2026  1:45 pm  Show Profile   Bookmark this reply Add Sharks to your friends list Get a Link to this Reply
@crab eater: Sorry, that cent is badly corroded and cannot be returned to original condition. I agree with all of the above posts, especially about replacing it with another proof cent.
Edited by Sharks
05/29/2026 1:46 pm
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Basil's Avatar
Australia
1039 Posts
 Posted 05/29/2026  8:11 pm  Show Profile   Bookmark this reply Add Basil to your friends list Get a Link to this Reply

Quote:
@crab eater: Sorry, that cent is badly corroded and cannot be returned to original condition. I agree with all of the above posts, especially about replacing it with another proof cent.

Yes,i agree,buy another cent on ebay and then place them all in 2x2 holders.50c looks good,thats the main coin.
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Errers and Varietys's Avatar
United States
73688 Posts
 Posted 05/29/2026  11:30 pm  Show Profile   Bookmark this reply Add Errers and Varietys to your friends list Get a Link to this Reply

Quote:
Find another proof cent on ebay and replace it. At least it's not the 50 cents!


I agree with HondoB. Good advice. That proof cent is beyond saving. It's corroded.
Errers and Varietys.
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crab eater's Avatar
Australia
625 Posts
 Posted 05/31/2026  02:41 am  Show Profile   Bookmark this reply Add crab eater to your friends list Get a Link to this Reply
Thank you all for your replies to my question if it was salvageable or not.
Will look to purchase a replacement 1 cent coin as the others are in excellent condition despite the fact that Roxburys sent me a different set than the listing photos provided on ebay.
Have messaged them to give me the set in the listing photos.
It could actually be worse than the one they sent me.
A graded 1 cent proof 1966 @ PR69 is around $350.
In no hurry to replace the coin, took me 7 years to purchase this set.
Thanks again for your replies, much appreciated.
Valued Member
Australia
177 Posts
 Posted 05/31/2026  05:08 am  Show Profile   Bookmark this reply Add jens coins to your friends list Get a Link to this Reply
the listing for the 1966 Proof set has this
"GENERIC PHOTO USED
We may have multiples of this item in stock, package condition & numbers on certs may vary."
The listing they have up now has the same image.
https://www.ebay.com.au/itm/2780298...66+proof+set
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Basil's Avatar
Australia
1039 Posts
 Posted 05/31/2026  07:40 am  Show Profile   Bookmark this reply Add Basil to your friends list Get a Link to this Reply

Quote:
A graded 1 cent proof 1966 @ PR69 is around $350


Yes,but pick up and ungraded one for A$20-50,they bob up on ebay regulary.
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