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Modern Coin Grading

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 Posted 01/09/2016  12:21 pm  Show Profile   Bookmark this reply Add wildflowerAB to your friends list
Unless the coin comes from an unbroken mint roll, coins from bank rolls have already been put into circulation, recycled into rolls, and are valued at face (other than certain varieties) therefore what you consider to be in the best condition is your preference. You're definitely looking for high lustre - the least worn. You might want to wear cotton gloves and give the coins a quick dip in acetone because the damage from fingerpnts/general circulation seems sometimes does not appear immediately. Have you chosen some sort of album or use of 2x2s for storage? Have fun!
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 Posted 01/09/2016  1:19 pm  Show Profile   Bookmark this reply Add kuh_85 to your friends list
For the price of a book, you may want to just pick up a couple in ICCS or CCCS flips for comparison purposes?
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 Posted 01/09/2016  2:19 pm  Show Profile   Bookmark this reply Add wildflowerAB to your friends list
Good advice, first hand comparison purposes by having an actual sample in hand as opposed to pictures or descriptions in book is far more helpful. That's exactly the reason why I've purchased reasonably priced graded coin in specific grades from time to time.
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 Posted 01/09/2016  9:36 pm  Show Profile   Bookmark this reply Add cadre to your friends list
Thank you for the advice. I will keep an eye out for some coins in flips as a grading reference.

wildflower: Does the acetone impact the coin at all? For storage I'm currently using 2x2s placed into plastic binder sheets.
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 Posted 01/09/2016  9:49 pm  Show Profile   Bookmark this reply Add wildflowerAB to your friends list
The use of acetone is a coin bath simply to remove contaminants from being handled, particularly useful for circulated coin.

Here's a helpful thread, although there are many others as well:

https://goccf.com/t/231911
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 Posted 01/11/2016  2:50 pm  Show Profile   Bookmark this reply Add cadre to your friends list
Thank you wildflower. I will have to give it a try.
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 Posted 01/11/2016  3:27 pm  Show Profile   Bookmark this reply Add wildflowerAB to your friends list
Good luck! While it's heavily emphasized NOT to clean coins in general, those with much more experience than I in the hobby have reassured others time and time again that an acetone bath in not considered cleaning. It simply removes grub and grime from the surface without any scrubbing, even that what might be undetectable to the naked eye. Remove with tongs or tweezers and lay them on a clean cloth, flip over and allow to completely air dry which only takes minutes. Particularly for coin picked from circulation, it serves a very good purpose and usually can be found in the hardware/paint dept of any dept store.
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 Posted 01/11/2016  3:37 pm  Show Profile   Bookmark this reply Add okiecoiner to your friends list
Acetone CAN impart visible changes to the patina or surface color of a coin, depending upon the alloy. You must be very very careful when using any ourside agent and acetone requires you not breathe much of it as well. Acetone is best for removing preliminary PVC "greenie" from your coin and will remove most oils. It also can leave the surface dull or with a slight whitish film. Always rinse ANY cleaner with distilled water bath after.
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 Posted 01/11/2016  4:14 pm  Show Profile   Bookmark this reply Add wildflowerAB to your friends list
Okiecoiner, would an acetone bath harm steel coins that are picked from roll hunting? But yes, that following the safety instructions on the can is important.

I know the jury's still out on copper pennies......

And just one disclaimer as well, don't bath any colonized coins in acetone as it will most likely remove the paint (acetone is an ingredient in finger nail polish remover).
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 Posted 01/11/2016  5:38 pm  Show Profile   Bookmark this reply Add wildflowerAB to your friends list
Okay well Cadre, I'm going to share my experience and hope that someone jumps in here to either yae or nae my advice because goodness knows I think we should all take ownership in welcoming new collectors like yourself to the hobby by offering helpful advice.

Last summer my 9 year old grandson and I had great fun roll hunting to build a loonie and toonie album. I didn't actually count how many rolls we looked through but we had 10 or so going at one time and every weekend I exchanged them. He got great delight in opening each roll, how many shiny edges would appear? We thought we'd made a good find, then a better one would come along, on and on. So the albums got completed, the new school year began. They were kept at my house for safe-keeping and a couple months ago he asked about it. I got it out, opened it. What I saw surprised me. Maybe it was my imagination but I don't think so......I was greatly disappointed at what I saw. Many of them had lost some of their shininess.

I don't proclaim to understand chemical reactions but based on my experience I'm certain coin that has passed through countless hands takes a while for any dinginess to appear, after being removed from circulation the contaminates on the surface are active and still at work for a period of time. Many of us collect coin that is decades old and has been out of circulation for all that time so the concern is not the same. But newer coin from rolls, it may have been handled as recent as yesterday. So that's the background to my advice:-)

Anyone else?
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 Posted 01/13/2016  03:27 am  Show Profile   Bookmark this reply Add pocket change 50 to your friends list
Yeah I notice it doesn't take long for new loons & toons to lose their new look. Its why I only get the circulation packs. The 1980s & 1990s coins age better. I noticed what you speak of with the grey cup loonie, they get a sickly color, as opposed to the 20th century coins. Its very disappointing. They need to change the look. I supposed these plated coins wont get attractive toning.
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 Posted 01/13/2016  10:06 am  Show Profile   Bookmark this reply Add wildflowerAB to your friends list
Pocket Change, that's right, only coins made of silver may tone over time when exposed to certain conditions but the last of their kind was made for circulation in 1967. I agree, the newest circulated coin seems to become worn looking very fast. The dinginess combined with the unattractive effigy of the Queen --- perhaps the strategy is to ensure Canadians are wowed with what's in store in 2017, the 150th anniversary and special designs.
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 Posted 01/13/2016  10:59 am  Show Profile   Bookmark this reply Add john100 to your friends list
Our coinage is just a piece of steel with a coating
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10458 Posts
 Posted 01/13/2016  11:26 am  Show Profile   Check SPP-Ottawa's eBay Listings Bookmark this reply Add SPP-Ottawa to your friends list

Quote:
Yeah I notice it doesn't take long for new loons & toons to lose their new look. Its why I only get the circulation packs.


Did you notice that both the $2 and $1 coins in these packs (and other gift sets containing circulation coins) are lacquered at the mint? Takes a good soak and a bit of work to remove that lacquer, if you get a GEM business strike. I informed both ICCS and CCCS of this two years ago, when they changed the year gift sets from having special 25c to loons.
"Discovery follows discovery, each both raising and answering questions, each ending a long search, and each providing the new instruments for a new search." -- J. Robert Oppenheimer

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 Posted 01/13/2016  4:57 pm  Show Profile   Bookmark this reply Add cadre to your friends list
SPP, Why would you remove the lacquer? I don't think I've ever heard of this before.
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