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<p>[QUOTE="Chipper, post: 1714889, member: 50606"]<font size="2"><font face="courier new">I am trying to collect a wide variety of coins made of copper alloys. This has not been easy to research because the world coin guide I use does not give exact compositions, just the general name such as "Brass", "Nickel Brass", "Copper Nickel", etc. Wikipedia has been my best resource, although coin composition information there is sporadic, available mostly for the largest countries. Does anyone have a good source for this information? Does anyone have any additions for my list? There are a lot of duplicate alloys available, and I am mainly looking for one good example of each individual alloy.</font></font></p><p><font size="2"><font face="courier new"><br /></font></font></p><p><font size="2"><font face="courier new">Here is what I have found so far (no guarantees of correctness):</font></font></p><p><font size="2"><font face="courier new"><br /></font></font></p><p><font size="2"><font face="courier new"></font></font><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new">US Large Cents . . . . . . Cu. . . . . . . 100</font></font></font></span></p><p><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new">Canada Cents . . . . . . . Cu. . . . . . . 95-98% (wiki: canada 1 cent coin)</font></font></font></span></p><p><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new">US Copper Cents. . . . . . CuSnZn. . . . . 95:05</font></font></font></span></p><p><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new">US Copper Cents. . . . . . CuZn. . . . . . 95:05</font></font></font></span></p><p><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new">Romania 2 Lei 1947 . . . . CuZi. . . . . . 92:08. . . . . 3.5 g</font></font></font></span></p><p><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new">Canada Tombac 5-Cents. . . CuZn. . . . . . 88:12</font></font></font></span></p><p><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new">Arcade tokens. . . . . . . CuZn. . . . . . 70:30</font></font></font></span></p><p><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new">Romania Leu 1950-1951. . . CuZn. . . . . . 70:30. . . . . 1.83 g</font></font></font></span></p><p><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new">Columbia 20 Pesos. . . . . CuZn. . . . . . 70:30. . . . . 2.0 g</font></font></font></span></p><p><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new">Japan 5 Yen. . . . . . . . CuZn. . . . . . 65:35</font></font></font></span></p><p><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new">Romania 1 Leu 1947-48. . . CuZn. . . . . . 63:37. . . . . 2.5 g</font></font></font></span></p><p><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new"><br /></font></font></font></span></p><p><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new"><br /></font></font></font></span></p><p><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new">US CuNi Cents. . . . . . . CuNi. . . . . . 88:12</font></font></font></span></p><p><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new">English 20 Pence . . . . . CuNi. . . . . . 84:16</font></font></font></span></p><p><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new">US Nickels . . . . . . . . CuNi. . . . . . 75:25</font></font></font></span></p><p><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new"><br /></font></font></font></span></p><p><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new"><br /></font></font></font></span></p><p><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new">English Pound. . . . . . . CuZnNi. . . . . 70:24.5:5.5. . 9.50 g</font></font></font></span></p><p><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new">Romanian 1 Leu 1938-41 . . CuZiNi. . . . . 80:19:01 . . . 2.75 g</font></font></font></span></p><p><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new">English 3 Pence. . . . . . CuZnNi. . . . . 79:20:01 . . . 9.8 g</font></font></font></span></p><p><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new">Irish 20 Pence . . . . . . CuZnNi. . . . . 79:20:01 . . . 8.5 g</font></font></font></span></p><p><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new">EU 1, 2 ("gold" part). . . CuZnNi. . . . . 75:20:05</font></font></font></span></p><p><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new">Colombia 200 pesos . . . . CuZnNi. . . . . 65:20:15 . . . 7.08 g</font></font></font></span></p><p><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new"><br /></font></font></font></span></p><p><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new"><br /></font></font></font></span></p><p><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new">Mexico 20/50 Cents . . . . CuAlNi. . . . . 92:06:02</font></font></font></span></p><p><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new">Australia Dollar . . . . . CuAlNi. . . . . 92:06:02 . . . 9.00 g </font></font></font></span></p><p><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new">France 10 Francs 74-87 . . CuAlNi. . . . . 92:02:06(?). .10.00 g</font></font></font></span></p><p><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new"><br /></font></font></font></span></p><p><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new"><br /></font></font></font></span></p><p><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new">Euro 10/20/50 Cents. . . . CuAlZnSn. . . . 89:05:05:01</font></font></font></span></p><p><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new">US Pres Dollar (outer) . . CuZnMnNi. . . . 77:12:07:04</font></font></font></span></p><p><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new"><br /></font></font></font></span></p><p><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new"><br /></font></font></font></span></p><p><span style="color: #000000"><font face="Courier New"><font size="2"><font face="courier new">Canada 5-cent. . . . . . . Ni. . . . . . . 100</font></font></font></span>[/QUOTE]</p><p><br /></p>
[QUOTE="Chipper, post: 1714889, member: 50606"][SIZE=2][FONT=courier new]I am trying to collect a wide variety of coins made of copper alloys. This has not been easy to research because the world coin guide I use does not give exact compositions, just the general name such as "Brass", "Nickel Brass", "Copper Nickel", etc. Wikipedia has been my best resource, although coin composition information there is sporadic, available mostly for the largest countries. Does anyone have a good source for this information? Does anyone have any additions for my list? There are a lot of duplicate alloys available, and I am mainly looking for one good example of each individual alloy. Here is what I have found so far (no guarantees of correctness): [/FONT][/SIZE][COLOR=#000000][FONT=Courier New][SIZE=2][FONT=courier new]US Large Cents . . . . . . Cu. . . . . . . 100[/FONT][/SIZE][/FONT][/COLOR] [COLOR=#000000][FONT=Courier New][SIZE=2][FONT=courier new]Canada Cents . . . . . . . Cu. . . . . . . 95-98% (wiki: canada 1 cent coin)[/FONT][/SIZE][/FONT][/COLOR] [COLOR=#000000][FONT=Courier New][SIZE=2][FONT=courier new]US Copper Cents. . . . . . CuSnZn. . . . . 95:05[/FONT][/SIZE][/FONT][/COLOR] [COLOR=#000000][FONT=Courier New][SIZE=2][FONT=courier new]US Copper Cents. . . . . . CuZn. . . . . . 95:05[/FONT][/SIZE][/FONT][/COLOR] [COLOR=#000000][FONT=Courier New][SIZE=2][FONT=courier new]Romania 2 Lei 1947 . . . . CuZi. . . . . . 92:08. . . . . 3.5 g[/FONT][/SIZE][/FONT][/COLOR] [COLOR=#000000][FONT=Courier New][SIZE=2][FONT=courier new]Canada Tombac 5-Cents. . . CuZn. . . . . . 88:12[/FONT][/SIZE][/FONT][/COLOR] [COLOR=#000000][FONT=Courier New][SIZE=2][FONT=courier new]Arcade tokens. . . . . . . CuZn. . . . . . 70:30[/FONT][/SIZE][/FONT][/COLOR] [COLOR=#000000][FONT=Courier New][SIZE=2][FONT=courier new]Romania Leu 1950-1951. . . CuZn. . . . . . 70:30. . . . . 1.83 g[/FONT][/SIZE][/FONT][/COLOR] [COLOR=#000000][FONT=Courier New][SIZE=2][FONT=courier new]Columbia 20 Pesos. . . . . CuZn. . . . . . 70:30. . . . . 2.0 g[/FONT][/SIZE][/FONT][/COLOR] [COLOR=#000000][FONT=Courier New][SIZE=2][FONT=courier new]Japan 5 Yen. . . . . . . . CuZn. . . . . . 65:35[/FONT][/SIZE][/FONT][/COLOR] [COLOR=#000000][FONT=Courier New][SIZE=2][FONT=courier new]Romania 1 Leu 1947-48. . . CuZn. . . . . . 63:37. . . . . 2.5 g[/FONT][/SIZE][/FONT][/COLOR] [COLOR=#000000][FONT=Courier New][SIZE=2][FONT=courier new] [/FONT][/SIZE][/FONT][/COLOR] [COLOR=#000000][FONT=Courier New][SIZE=2][FONT=courier new]US CuNi Cents. . . . . . . CuNi. . . . . . 88:12[/FONT][/SIZE][/FONT][/COLOR] [COLOR=#000000][FONT=Courier New][SIZE=2][FONT=courier new]English 20 Pence . . . . . CuNi. . . . . . 84:16[/FONT][/SIZE][/FONT][/COLOR] [COLOR=#000000][FONT=Courier New][SIZE=2][FONT=courier new]US Nickels . . . . . . . . CuNi. . . . . . 75:25[/FONT][/SIZE][/FONT][/COLOR] [COLOR=#000000][FONT=Courier New][SIZE=2][FONT=courier new] [/FONT][/SIZE][/FONT][/COLOR] [COLOR=#000000][FONT=Courier New][SIZE=2][FONT=courier new]English Pound. . . . . . . CuZnNi. . . . . 70:24.5:5.5. . 9.50 g[/FONT][/SIZE][/FONT][/COLOR] [COLOR=#000000][FONT=Courier New][SIZE=2][FONT=courier new]Romanian 1 Leu 1938-41 . . CuZiNi. . . . . 80:19:01 . . . 2.75 g[/FONT][/SIZE][/FONT][/COLOR] [COLOR=#000000][FONT=Courier New][SIZE=2][FONT=courier new]English 3 Pence. . . . . . CuZnNi. . . . . 79:20:01 . . . 9.8 g[/FONT][/SIZE][/FONT][/COLOR] [COLOR=#000000][FONT=Courier New][SIZE=2][FONT=courier new]Irish 20 Pence . . . . . . CuZnNi. . . . . 79:20:01 . . . 8.5 g[/FONT][/SIZE][/FONT][/COLOR] [COLOR=#000000][FONT=Courier New][SIZE=2][FONT=courier new]EU 1, 2 ("gold" part). . . CuZnNi. . . . . 75:20:05[/FONT][/SIZE][/FONT][/COLOR] [COLOR=#000000][FONT=Courier New][SIZE=2][FONT=courier new]Colombia 200 pesos . . . . CuZnNi. . . . . 65:20:15 . . . 7.08 g[/FONT][/SIZE][/FONT][/COLOR] [COLOR=#000000][FONT=Courier New][SIZE=2][FONT=courier new] [/FONT][/SIZE][/FONT][/COLOR] [COLOR=#000000][FONT=Courier New][SIZE=2][FONT=courier new]Mexico 20/50 Cents . . . . CuAlNi. . . . . 92:06:02[/FONT][/SIZE][/FONT][/COLOR] [COLOR=#000000][FONT=Courier New][SIZE=2][FONT=courier new]Australia Dollar . . . . . CuAlNi. . . . . 92:06:02 . . . 9.00 g [/FONT][/SIZE][/FONT][/COLOR] [COLOR=#000000][FONT=Courier New][SIZE=2][FONT=courier new]France 10 Francs 74-87 . . CuAlNi. . . . . 92:02:06(?). .10.00 g[/FONT][/SIZE][/FONT][/COLOR] [COLOR=#000000][FONT=Courier New][SIZE=2][FONT=courier new] [/FONT][/SIZE][/FONT][/COLOR] [COLOR=#000000][FONT=Courier New][SIZE=2][FONT=courier new]Euro 10/20/50 Cents. . . . CuAlZnSn. . . . 89:05:05:01[/FONT][/SIZE][/FONT][/COLOR] [COLOR=#000000][FONT=Courier New][SIZE=2][FONT=courier new]US Pres Dollar (outer) . . CuZnMnNi. . . . 77:12:07:04[/FONT][/SIZE][/FONT][/COLOR] [COLOR=#000000][FONT=Courier New][SIZE=2][FONT=courier new] [/FONT][/SIZE][/FONT][/COLOR] [COLOR=#000000][FONT=Courier New][SIZE=2][FONT=courier new]Canada 5-cent. . . . . . . Ni. . . . . . . 100[/FONT][/SIZE][/FONT][/COLOR][/QUOTE]
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