Coinmaster Album Question On Storage Damage To Coins

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Author	Replies: 4 / Views: 2,101
lfkestner New Member United States 2 Posts	Posted 01/19/2009 7:19 pm Brown binder with gold lettering, probably 1975-1985 vintage with pull out sleeves, each holding six coins. Filled with Lincoln 1909-1940 cents. Each coin is discolored (green) around obverse/reverse as is the plastic where the coins have touched. When I remove a coin it feels vaguely greasy to the touch. Yes, I tried to wash one with soap and now the coin is rainbow hued like oil on the pavement. The only good news is that the S-VDB was not stored with the rest. What in the world to do? Any advice would be very much appreciated. Report this Post to the Staff

bmanofnbc Pillar of the Community United States 1424 Posts	Posted 01/19/2009 7:58 pm It's from the PVC...read this article: http://www.coinworld.com/news/112408/BW_1124.asp Report this Post to the Staff
desertgem Pillar of the Community United States 860 Posts	Posted 01/19/2009 10:04 pm Hi and welcome to the forum! There are several threads on the forum about using mineral spirits, acetone, or xylene to remove the plasticizers and pvc products. Expect to see possible damage to the coins after use, as reactions will have occurred under the pvc damage. Proof coins will be especially problematic to clean. If you can't find the threads with the search button at the top bar, speak up. Please don't try anything until you read the posts as there are different opinions. Coinmaster changed pages to non-plasticized ones sometime along the way and several suppliers have replacement pages. I like the design a lot and changed over years ago, "conserving" each coin with acetone before I moved them over. Good luck! Jim Edited by desertgem 01/19/2009 10:05 pm Report this Post to the Staff
lfkestner New Member United States 2 Posts	Posted 01/21/2009 8:44 pm I am sending grateful thanks to desertgem and bmanofnbc for help on the PVC contamination I reported on 01/19/09. Read the Coin World article and two other threads with step-by-step instructions for removing the green discoloration and stickiness. Tried Acetone first: ($6.50) This removed the stickiness but not the discoloration of the edges or Lincoln bust. Koinsolv ($25), applied as directed on the can, removed the stickiness AND turned the coin a bright pink color with blue highlights on the date and lettering. A most unsatisfactory outcome. Despite my monetary investment and initial relief that a remedy was at hand, I now realize the discoloration is too great and has been untreated for too long. Still, I will do as suggested, treat all coins with an acetone bath and insert in a new album, a number 7100 Dansco Lincoln Cents 1909 to Date. Report this Post to the Staff
desertgem Pillar of the Community United States 860 Posts	Posted 01/21/2009 9:11 pm Ifkestner, Sorry that you did the Koinsolv or people would have warned about the reaction on copper. But don't give up hope on them yet. The pink will retone, but maybe not in years or decades. Also you may find threads about retoning copper coins by putting them on a window sill exposed to light, storing them in paper envelopes,or setting them on a piece of unfinished oak wood, but don't use darkeners or try chemically retoning as this will cause even more problems. Many here have done as you and can help with their "experiences". Jim Report this Post to the Staff
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