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1. Re: Seriously, why dont they make a square coin?

   

   Comment by Sporkadelic · September 11, 2006 12:28PM · Home› U.S. Coin Forum

   << <i> << <i> << <i>Round coins are most efficient from a metal-flow and striking standpoint. They require the least pressure and cause the most distributed stress to the dies. By the way, manhole covers are round for a different reason: that's the only shape you can make them so they do not fall in when rotated. >>…

2. Re: Seriously, why dont they make a square coin?

   

   Comment by robertpr · September 11, 2006 11:26AM · Home› U.S. Coin Forum

   << <i> << <i>Round coins are most efficient from a metal-flow and striking standpoint. They require the least pressure and cause the most distributed stress to the dies. By the way, manhole covers are round for a different reason: that's the only shape you can make them so they do not fall in when rotated. >> Triangular…

3. Re: Seriously, why dont they make a square coin?

   

   Comment by robertpr · September 11, 2006 10:26AM · Home› U.S. Coin Forum

   Round coins are most efficient from a metal-flow and striking standpoint. They require the least pressure and cause the most distributed stress to the dies. By the way, manhole covers are round for a different reason: that's the only shape you can make them so they do not fall in when rotated.

4. Re: Seriously, why dont they make a square coin?

   

   

   Comment by Leiana · September 11, 2006 10:27AM · Home› U.S. Coin Forum

   << <i>Round coins are most efficient from a metal-flow and striking standpoint. They require the least pressure and cause the most distributed stress to the dies. By the way, manhole covers are round for a different reason: that's the only shape you can make them so they do not fall in when rotated. >> Learn something new…

5. Re: Seriously, why dont they make a square coin?

   

   Comment by Sporkadelic · September 11, 2006 11:15AM · Home› U.S. Coin Forum

   << <i>Round coins are most efficient from a metal-flow and striking standpoint. They require the least pressure and cause the most distributed stress to the dies. By the way, manhole covers are round for a different reason: that's the only shape you can make them so they do not fall in when rotated. >> Triangular works…