Copper Coin Cleaner - Page 2 - Coin Community Forum

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Author	Replies: 17 / Views: 5,852	Page: of 2

colonialjohn Pillar of the Community United States 1757 Posts	Posted 06/02/2014 08:07 am All comments have been good so far but remember if you do take soils off a coin there can be a SLIGHT patina (appearance change) on a copper alloy surface. This product does not affect the copper surface but the coin having a cleaner surface will have a appearance change which some may consider a patina change. So if its not soiled or has NO green to remove its best to leave alone - why clean an olive brown Large Cent with no surface issues ... in terms of silver alloy it will remove all the green build-up which is almost invisible on the surface and it may bring back the cartwheel effect on some soiled silver coins in MS ... of the over 50 users so far no one has not liked the product and found it valuable for green soil removal of copper alloys. Keep the reports coming ... John Lorenzo Numismatist United States Report this Post to the Staff
colonialjohn Pillar of the Community United States 1757 Posts	Posted 06/05/2014 12:19 pm One recent comment indicated I have a group of Indian cents with various degrees of green verdigris - if its current like from PVC no issues - if 150 year old deep hardened within the coin - maybe. Whether 15 seconds or 1 hour no effect on copper since the material is pH neutral. This product just removes verdigris and like the Verdi-Care's slogan it does not provide a protective coating or anti-oxidant layer. My main point look at the before/after pics in this thread - does the "after" picture to you appears on having been cleaned? Its a judgement call ... for circlulated grade level coins (G-AU) I see no EVIDENCE of not getting through a TPG service - just IMO. JPL Report this Post to the Staff
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