In Heraldry colours and shape can tell what rank and how well you are know. If you have a natural colour like gold or sliver that means you have a higher rank. colours like red,blue,purple,and lots of other colours means that you are lower rank knight but to have shields witch means you have lots of money so people will know to respect you today not a lot of people have a coat of arms but mostly only people that have lots of money or that you famous royalty
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