Developing My Newest Coin Product! Verdi-Care

It should not be a problem. I've never soaked a BU coin that long, but I don't anticipate any issues.

YES! I can't wait to see your results and hear your opinions.

Customer supplied pictures of a 1988 RDV-006 conservation:

Looks much better to me. As stated, there is a colour difference where some of the heavy junk was. Overall, improvement!

I just got this high grade 1924-D today. I was looking closer with my 10x and noticed something I didn't like....some very light verdigris! That had to go! Pulled out the VERDI-CARE™ and nuked it in about 10 seconds. I also decided to treat the entire coin to prove it will pass PCGS grading after conservation. This is the ultimate (yes, I have the guts) test!

coins92 - That's the whole purpose of VERDI-CARE™. It's NOT a cleaner and coins that have been properly conserved with it should show no trace of "improper" cleaning. Now, every coin is different and when we're talking about removal of corrosion, there can be tell-tail signs left behind after conservation. There's nothing that can be done about that since corrosion itself involves the removal of metal from a surface. The question is "has the corrosion pitted the surface or altered the color so it is detectible". If you look through the hundreds of pictures I've taken, in some cases it's obvious and in other cases it's not so obvious. Show me picture of the coins you're thinking about and I'll tell you want is going to happen with VERDI-CARE™.

You can in the above test, it's not at all obvious....but the corrosion was very light. The real question is will PCGS notice the coin has been treated with VERDI-CARE™. My experience tells me they will not know....but nothing is certain in the world. They may catch that or they may see something else they don't like about the coin. We will see in a couple of months!

1803 - I don't see any verdigris. The blackish stuff on the obverse cannot be removed without chemical damage, i.e. a dip (VC won't touch it). The bumpy stuff on the reverse looks more like a generic, organic surface residue in the scan. Verdigris would have more of a green appearance. Acetone then xylene should be tried first, especially on the reverse.

1853 - Not much of a verdigris problem. The obverse looks like it has a touch of deep pit verdigris. Somebody has already attempted conservation on this coin, mostly likely with mineral oil (such as Coin Care). It was probably physically rubbed off. Since verdigris is largely insoluble in oil, it remains deep into the patina. VC would react with the deep pitted verdigris, removing some, but mainly darkening it. These types of verdigris are impossible to remove without causing more damage. The ReAcT2™ would halt the progression at least.

Some curpric oxide at about 2:00 shows the coin had some environmental exposure. VC usually will not do anything for that other than possibly darken it some. The reverse shows no corrosion but the surface looks extremely dry. Not sure if this is due to the photograhy? I see some pitting on the surface which shows the coin was corroded in some areas long ago...or perhaps the dies were rusty. I'm not sure. What I am sure of is that VC would slightly darken the surface and give it some richness. This coin is a decent candidate.

Both coins should be first soaked in xylene to remove any remaining oil. It's important to get that residual oil off of each of these prior to conservation.

Thanks Thad. So you think the 1803 doesn't need any treatment?