Coin storage question...

[Sylvester 15]

Here's a question.

I'm just currently in the process of buying a very nice 1684 tin farthing. (the portrait and what not is crisp and of a very high grade), but the edges show considerable corrosion, and the copper plug is a big green. But with this series if it ani't one thing it's another.

Now i'm just wondering how's the best way to store this?

I don't usually allow any coins with verdigris on them into the coin cabinate as i'm worried about it spreading, however small the chances may be despite the fact they are not in physical contact with each other.

Question is will it be safe in there? And will it help to prevent further tin corrosion?

[Chris Perkins 228]

That's a tricky one. I think it'd be best in outer space without any kind of atmosphere for it to even consider contacting. Failing that you could just keep it very dry and hope for the best.

[Sylvester 15]

That's a tricky one. I think it'd be best in outer space without any kind of atmosphere for it to even consider contacting. Failing that you could just keep it very dry and hope for the best.

I wonder if those air tight plastic coin capsules (a la proofs) will suffice for this?

[Emperor Oli 0]

Is there any evidence to support the theory that it spreads?

[Sylvester 15]

Is there any evidence to support the theory that it spreads?

i once had a bag of coins that i inherited, and like a bad apple the whole lot had become covered in the stuff. If they are making physical contact then yes definately.

Not touching but in a close environment, then the infected coin will continue to corrode, but this might alter the chemical makeup of the entire micro environment, and thus potentially affect the others near by, kinda like a chemical experiment. Not sure how minute those chances are... but i should imagine it's a possibility.

Anyhow the verdigris is the least of the problems, tin corrodes much faster and has progressive corrosion (like iron does). Unlike aluminium which has protective corrosion.

[william 0]

Not touching but in a close environment, then the infected coin will continue to corrode, but this might alter the chemical makeup of the entire micro environment, and thus potentially affect the others near by, kinda like a chemical experiment.

I wouldn't try experimenting on a 1684 HIGH GRADE tin farthing, definately not!

[Sylvester 15]

got a picture of said farthing...

[Sylvester 15]

the actual details of the coin are pretty superb considering, most of the issue comes out looking like little black discs with blisters all over them, but as you can see the edge of the coin has some fair corrosion going on.

Hopefully by regulating the environment i can stop it progressing further.

[Sylvester 15]

now this one is a beauty but i couldn't afford this one...

[Sylvester 15]

Chris...

Those coin capsules you've got for sale, which one would be best for tin farthings?

Wouldn't want them to be too small now... but likewise i don't want the darn thing rattling around inside. Hopefully i can then deposit the capsule in one of the coin trays in my cabinate.

Just tried it with a capsule that fits a US quarter, and that fits in the cabinate.

[Chris Perkins 228]

Should be ok in a 22.5mm, I tried a copper 1675 and that fit well.

Better measure it in case, or don't you have it yet?

[Sylvester 15]

Should be ok in a 22.5mm, I tried a copper 1675 and that fit well.

Better measure it in case, or don't you have it yet?

well i'll be getting it sometime at the end of next week, i posted the cheque yesterday, it'll get to him by monday/tuesday, then he has to get it out of the safe deposit box at the bank, that'll take two days he said, then it'll take a few days to arrive, so i'm looking at Friday/Saturday, perhps the following monday?

Anyhoo i'll get back to you on this!

What the prices of these holders then?

[Chris Perkins 228]

10 for £3.00.

[william 0]

Nice pics! So how much did you pay for it?

[Sylvester 15]

Nice pics! So how much did you pay for it?

It was £189, but i managed to haggle it down to £179, post free. I just kept pointing out the lack of date...

Can't be bad, at coincraft prices it's £300 in VF, this coin can't be far off that, for the series there's quite a bit of detail left on that coin.

But with tin you find the catalogue prices are only a rough guide, people are usually willing to go over anyhow.

[Sylvester 15]

10 for £3.00.

i'll take 10 then.

I think i'll pay cash this time, PM me your address again cos i deleted the last PM with it in by accident.

I'll get it off to you swiftly.

[william 0]

Nice pics! So how much did you pay for it?

It was £189, but i managed to haggle it down to £179, post free. I just kept pointing out the lack of date...

Can't be bad, at coincraft prices it's £300 in VF, this coin can't be far off that, for the series there's quite a bit of detail left on that coin.

But with tin you find the catalogue prices are only a rough guide, people are usually willing to go over anyhow.

Not bad at all then!