how do i clean old copper coin?
One of the coin is green and seems to be breaking down. Any help would be great
Old coins in a collection should not be cleaned. Loses value. Some collectors want them looking old.
Lyckänge Copper Coin Show at Riks -08
| | Car Auto Red Tassel 12 Copper Coins Pendant Chinese Knot Hanger $5.26 |
| | China Copper coin Anhui Province made guang xu yuan bao 10-cash/2.9cm $1.99 |
| | 1919 Lincoln Cent Wheat Penny Coin $1.23 |
| | 1916 Lincoln Cent Wheat Penny Coin $1.23 |
| | 1911 Wheat Penny US Cent Coin $1.89 |
| | China Copper coin Snow Lion coins in Sichuan Province/2.4cm $9.99 |
| | China Copper coin guang xu tong bao Ji zhi qian 2-cash/1.9cm $0.99 |
| | PHILIPPINES KM187 1963 VF-NICE OLD VINTAGE COPPER CENTAVO COIN FREE US SHIPPING $0.22 |
| | 1- 1oz COPPER ROUND AMERICAN EAGLE 2012 .999 PURE BULLION COIN BAR INGOT $0.99 |
| | 5-SQUARE COINSAFE COIN TUBES FOR (COPPER ROUNDS) $6.30 |
| | LIBERIA 25 CENTS 1966 BRILLIANT UNCIRCULATED COPPER NICKEL COIN $1.99 |
| | RUSSIA 5 KOPEK 1860 EXTRA FINE+ RUSSIAN COIN $39.55 |
| | copper penny silver coin sorter fully assembled /w stand just plug and SORT!!! $95.00 |
| | Antique Chinese Temple Coin 10 Brass / Copper Mixed Material $25.47 |
| | Copper Coin Gandhara/Gandharan C. 200 AD $15.00 |
| | Copper Coin Gandhara/Gandharan C.200 AD $15.00 |
| | Copper Coin Bactrian C. 200 Bc $15.00 |
| | Copper Coin Bactrian C. 200 Bc $15.00 |
| | GREAT BRITAIN 1/2 PENNY 1753 GOOD BRITISH COIN $3.25 |
| | Korea copper coins Chao Xian Tong Bao/46mm $9.99 |
| | Exquisite Tibetan Coin Copper Snuff Bottle Pendant $0.21 |
| | Japan Copper coins/22mm $9.99 |
| | ff498 50 bani 2011 Romanian new coin copper UNC Romania Roumania Rumania $1.99 |
| | Lot of 20 Vintage Coins – Wheat Pennies and 1 Buffalo Nickel – Good Condition $5.99 |
| | Meng Chiang Bank 5 Chiao Coin / 1937 Copper-Nickel $18.00 |
| | The Comprehensive Catalog of Chinese Copper Coins (2 Volumes), 2006 $148.00 |
| | WW1 TRENCH ART GEORGE V COPPER COIN ENGRAVED LOVE TOKEN GOOD CONDITION $30.24 |
| | German Empire 1905A Pfennig-GREAT COIN!! RARE – Real Auction! $1.04 |
| | copper coin of bactrian ca 200 bc $30.00 |
| | 1971 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cellos Cello Coins $4.50 |
| | 1972 D Kennedy Half Dollar Coin BU Choice Fifty Cent 50c FREE USA SHIPPING $4.05 |
| | 1972 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cellos Coin in Cello $4.50 |
| | 1973 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cellos Cello Halves $4.50 |
| | 1974 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cellos Cello Halves $4.50 |
| | 1976 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cellos Cello Halves $4.50 |
| | 1977 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cellos Cello Halves $4.50 |
| | 1978 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cellos Cello Halves $5.45 |
| | 1979 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cellos Cello Halves $5.95 |
| | 1980 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cellos Cello Halves $4.95 |
| | 1981 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cellos Cello Halves $4.95 |
| | 1984 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cello Fifty Cent UNC $6.45 |
| | 1985 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cello Fifty Cent UNC $6.75 |
| | 1986 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cello Fifty Cent UNC $9.95 |
| | 1987 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cello Fifty Cent UNC $9.25 |
| | 1988 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cello Fifty Cent UNC $8.45 |
| | 1989 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cello Fifty Cent UNC $6.45 |
| | 1990 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cello Fifty Cent UNC $7.45 |
| | 1991 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cello Fifty Cent UNC $8.75 |
| | 1992 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cello Fifty Cent UNC $6.75 |
| | 1993 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cello Fifty Cent UNC $7.95 |
| | 1994 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cello Fifty Cent UNC $7.45 |
| | 1995 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cello Fifty Cent UNC $7.95 |
| | 1996 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cello Fifty Cent UNC $4.95 |
| | 1997 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cello Fifty Cent UNC $8.95 |
| | 1998 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cello Fifty Cent UNC $7.25 |
| | 14 ROLLS WHEAT PENNY 1940S 1 CENT USA COPPER COINS $26.51 |
| | 1999 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cello Fifty Cent UNC $9.25 |
| | 2000 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cello Fifty Cent UNC $8.45 |
| | 2001 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cello Fifty Cent UNC $6.95 |
| | 2002 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cello Fifty Cent UNC $9.45 |
| | 2003 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cello Fifty Cent UNC $8.45 |
| | 2004 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cello Fifty Cent UNC $9.25 |
| | 2005 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cello Fifty Cent UNC $6.50 |
| | 2006 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cello Fifty Cent UNC $9.95 |
| | 2007 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cello Fifty Cent UNC $7.95 |
| | 1909 VDB Lincoln Wheat Penny Copper Cent Coin US Coins Coinhut2695Y $19.98 |
| | 2008 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cello Fifty Cent UNC $12.25 |
| | 2009 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cello Fifty Cent UNC $6.95 |
| | 2010 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cello Fifty Cent UNC $7.95 |
| | 2010 P and D KENNEDY Half Dollar BU Uncirulated Coins Two Coins $6.95 |
| | 2011 P & D Kennedy Half Dollar Coin from US Mint Set 2 BU Cello Fifty Cent UNC $6.95 |
| | 1 leu 2008 proof copper coin Ovidius Romania $69.99 |
| | RARE HONG KONG 1 CENT COPPER COIN VICTORIA QUEEN 1877 $11.93 |
| | RARE HONG KONG 1 CENT COPPER COIN VICTORIA QUEEN 1901 $11.93 |
| | Coin Pendant, Chinese Panda Red Copper $14.99 |
| | 1/4 oz .999 pure COPPER BULLION STATUE OF LIBERTY DESIGN COIN + FREE SILVER $0.65 |
| | RARE HONG KONG 1 CENT COPPER COIN VICTORIA QUEEN 1901 $11.93 |
| | 1856 Large Cent This coin has the upright 5 Why pay more? $38.95 |
| | RARE-German Empire 1912A Two Pfennig-REAL COIN! -Real Auction! COMBINE SHIP!! $1.04 |
| | 1911-1949 Year China Copper Coin/30mm $9.99 |
