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<p>[QUOTE=&quot;cwtokenman, post: 2281230, member: 2100&quot;]Yellow brass could be used as a gold substitute (melting point 1660-1710 F).</p><p>Buy some junk silver coins to melt down to make the silver ones (melting point 1763 F).</p><p>If silver is too expensive, aluminum could be used (melting point 1221 F).</p><p>or perhaps zinc (melting point 787 F).</p><p><br /></p><p>The bottled propane torches can reach sufficient temperatures to melt any of those metals. Using air, max. attainable temp. is 3623 F, &amp; using with oxygen 5110 F.</p><p><br /></p><p>MAPP, MAP-Pro, or acetylene are some other options that will provide even higher combustion temps.</p><p><br /></p><p>The putty looks like a nice way to make the coins. Back in junior high metal shop, I made some large, wall hanger type coins using a sand mold. The putty looks like it would be easier to use for small pieces.[/QUOTE]</p><p><br /></p>

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