Rolls Conservation

Yes I hear what you say. The thing of it is - similar to my 1965 roll of red cents, which is certainly no comparison by way of value BUT I also purchased it from an auction house and therefore I have absolutely no way of knowing whether or not, at some point prior to the auction, advertised as coming from an estate, that someone didn't open up the roll and recklessly sift through it without bothering to use tweezers or wear gloves. Then by the time I checked the roll, it was already on its way to becoming partially brown regardless of how careful I was. One has absolutely no way of determining the manner of everyone who handles the coins prior to the buyer making the purchase.

Over time, the future of the Langdon red cents will be interesting.

Not necesarrily, I'd need a real good reason to move coins from one type of roll holder to another. But I think the original discussion pertained to the fact that the downside of bank paper rolled coin is that paper can absorb moisture depending on how and where the coin rolls are stored - as opposed to the advantage of being able to securely seal coin in plastic coin roll holders.

Someone please correct me, if I'm wrong.

Sounds like a good way, Rob.

I don't have a whole lot of rolls either, only 9 or 10. I store them in an old tobacco tin with a lid that seals. This same tobacco tin has preserved coins including red pennies back even to the '50s so it's more than proven it works for me. If the coins are in a plastic tube, I stuff a small piece of a cotton ball into the end of the roll so the coins are snug. I also pack the tin with cotton balls, to remove the air and keep them in place.

I'd agree in some silica gel packs too. For moisture. Interesting thread.

More probably verdigris.

There are methods that have been discussed here explaining how to carefully remove or "try to" remove the green.

If untreated, the green will continue to attack the copper and permanently damage that cent.

Some people soak them in a soft soapy warm solution and will use a sharpened thorn from a hawthorn twig to "carefully " pick away at the green. Very often this will work very well.

The more brilliant the copper coin is,..the more risky this procedure is..but usually very good results on the brown cents..

I have used the picks from a rosebush myself to remove grunge and green from some of the brown cents. Practice on an unimportant shiny cent first if you want to get an idea of what your doing.. If you see remaining marks,..don't go that route..

Depends what you are trying to preserve: the coins or the paper wrappers.
In my case, it is definitely the wrappers!
I have 6 rolls in original paper Royal Australian MINT wrappers from 1984. The end coins are still full mint red.

They stopped issuing bronze coins from 1991, and all coins issued into circulation after that date were bagged by the Mint.
The coins are definitely not coming out of those wrappers!

They have been stored in clip lock polyethylene bags since the day I got them over the counter from the Head Office of the Reserve Bank.

Commercial bank wrappers are still available, but they contain REcirculated coins.

Perfectly OK to store paper wrapper coin rolls in clear hard screw top plastic tubes. The tubes are made of hard clear acrylic plastic.

Any plastic that is safe for the storage of food is also safe for the stotage of coins.
Translucent polyethylene in plastic bags is not PVC. They do not have a plasticizer.

Used polyethylene plastic bags need to be recycled because they do not break down in the environment. They are chemically and solvently far too stable, and thus remain persistent in the environment; that is the reason why they need to be recovered and remanufactured.

Clear PVC coin flips have a plasticizer that gasses out over time, and that can affect coins.

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I've been told that the inner liners are polyethylene terephthalate, which are supposed to be inert. The outer holders are PVC.