Perusing random shared orders, counterfeits seem common among Chinese coins, though my study isn't scientific.
Hi Spark, Unfortunately, 100% pure acetone does not exist. Its ability as a solvent make it impossible to transport and distribute without picking...
These are photos of the Chile 1968So coins that were purchased in their PVC flips 50 years later, now holdered: [IMG][IMG][IMG] The damage done...
PVC flips were popular decades ago before anyone knew any better. However, overtime, the damage to coins became apparent. These Chile 1968So...
The photos were obviously the seller's and not taken by The Coinhouse Auctions. I had similar experience with a merchant who claimed his picture...
You're posting to the wrong forum. Try housewares, instead.
I have residue issues with all of the isopropanol solutions I've tried, especially those claiming 99% purity. Used 91% Equate isopropanol from...
Another reason for the disparities in experience with acetone are the special handling requirements of soft silver proof coins. For example, you...
I would agree with you, however, fortunately the auction price did not meet the wire transfer threshold, so that I can pursue The Coinhouse...
Acetone can leave a sometimes bluish residue on a proof coin unless you distill your own: [IMG] The power of acetone as a solvent is really its...
Thanks! I will suggest the "sneezed on" analogy when asking for the refund! Of course, the coin must have been sneezed on twice for both sides to...
Greetings! Bought a coin not so recently at Auction No 16 from The Coinhouse Auctions in Belgium on Sept. 30th which Peter Eyckmans so kindly...
This is true. Acetone is such a good organic solvent that pure acetone is only theoretically available in the lab where it's distilled. It takes...
Acetone always leaves an ugly residue, regardless of purity. This is an example of a coin I submitted not noticing it had residue left by...
Greetings! I have a number of coins sent from Haifa, Israel that may have exposed to alkaline aerosols or condensate. See...
The following 23 coins are for sale on Ebay as coins from Peru, however, the Krause-Mishler catalog numbers for these coins indicate that they are...
A similar variation can be found in the Paraguay 150 Guaranies KM# 37 1973 Proof. This is a photo of the large purity: [IMG] This is a photo...
Took these photos of the coin: [IMG] [IMG] [IMG] [IMG] [IMG] Contacted Miguel Pratt, author of COINS AND ESSAYS OF PARAGUAY (3rd EDITION) ISBN:...
They don't show any protection that might be used by employees for restoring coins. Used my bare hands to maneuver this Kangaroo Dollar that had...
Found links to the Catálogo Virtual de Monedas from the MONEDAS DEL PARAGUAY 1790 - 2015 / PARAGUAYAN COINS web page at...
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