I like Cleaned Coins and you should to thread

Not tryin to be nasty or nothing like that, but pure urine works well. If you drink Diet Soda or beer for a few days you get best results for Copper and Silver coins. Just rinse one final time with distilled water and you have a very nice coin. Every coin I have done this using Urine soak has graded well at NGC/PCGS. Thanks G

 

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Is this like the treatment the guy with the big dog had?

 

Or Popeye will getcha.

 

You sound like a numismatic Bear Grills.
"Need to fix a coin? Better use my own pee."

 

Its gets funnier the longer the post.
You buy a couple thousand dollar car wash it and some run them through the old brush washer.
But give them a 50 to a 300 dollar coin and its a crime to mention the word clean.
To each their own and argue for or against cleaning you will change few minds here as even gradeing companys do cleaning to coins.
I could care less about others who get all up tight about it as i see it i own it its mine and until you get it ill clean away.
If no one tells you it was cleaned most here couldnt tell .
Id say there may be an arguement here if in fact coins were made to be handled and not by just the rim.
The were also made to join other coins when they are butting heads togeather in ones pocket.
Iam 60 + years old and never seen coins being carried by soft cotton gloves and being there has never been instructions sent with these coins on how to take care of them i think the playing field is left wide open for the non collectors of these coins.

Collecting these coins that are already more than 100 years old and trying to change how they were taken care of seems a waste of time for us all.

Coins in my opinion are a lot like people some had a rough life and were worked really hard while other took the welfare roll and kinda set on their *** and today show little to no wear.
Enjoy the hobby thats about all it is to me and if you clean coins useing a method that gives you the results you like than who gives a rats *** what others think.

 

Either 70% or 91% has water as the remainder of the percentage. This is because at 91% it forms an azeotrope or constant boiling mixture (ethanol forms one at 95%) and special methods would have to be used to purify it further. The main thing is to stay away from non-volatile additives like perfumes and menthol, etc.

 

All kidding aside, a little historical interest in preserving originality... 'Twould be a shame if every silver dollar were all dipped to heck, and our great-grand kids were never able to see a booming, rolling Morgan cartwheel, no? It's one thing to play with junk silver, but I'd hate to push new readers into killing their coins with acid. Point being, sure, do what you want with your stuff, but do it knowing what will happen--with eyes wide open (maybe with safety glasses)--using the best knowledge currently available.

 

@woody

most can not grade so identifying cleaning is secondary to that?

 

My local guy uses a baking soda rub on dirty coins. I would assume this leaves marks on the coins but he swears it doesnt, none at least I can see with a loop. How bad is that as far as grading?

 

Noooooooooo, a primary focus of the hobby is preservation.

 

Sure, you can make 100% isopropanol or ethanol -- just not by simple distillation. And if you leave either one sitting open, it'll absorb water from the air (even as it evaporates), until either it's all evaporated or it reaches azeotropic composition.

If you put 90% (actually 91%) isopropanol on a surface and let it evaporate, the alcohol and the water will evaporate together, and the stuff left will remain at that 91% concentration until it's all gone. All that will be left is whatever else was mixed into the alcohol from the beginning (Doug's colors and fragrances, if any), and whatever the alcohol dissolved off the surface.

The hospital where I used to work had big tanks of 100% ethanol, carefully guarded against (a) fire and (b) pilfering. Mix it with water and you produce perfectly normal hooch, although that's an awfully expensive way to go about it.

 

Most can't do math, so salaries is secondary to that.

 

If you need 100% alcohol to clean your coins, where can you buy that? Can you get it at ACE Hardware?

 

Easy for you to say!

 

Relatively Pure Isopropyl Alcohol (Isopropanol)

I've used this as a solvent agent in a proprietary sequential conservation process: http://www.amazon.com/dp/B001B5JT8C

A Caveat: I concur with others in this forum that strongly recommend against "cleaning", or the application of certain documented procedures for the relatively harmless "conservation" of coins. If you're unfamiliar with the harmful, possibly terminal, effects of chemicals, discretion is advised.

 

I need it on occassion, but I prefer ethanol.

 

But cleaning can be fun and makes the coins look way better.

 

Aveno soap is very soft and non-abrasive.