interesting error coins

silverpop

well both of these coins are errors and very interesting

the first is a 2008 Cuba 10 centavos with doubled lettering



doubled lettering


then this 1831 Peru 40 reis



strike though

savoyspecial

On the Peruvian coin, that is not a strike through you are seeing but rather the undertype from the host coin that served as planchet for this issue

silverpop

well then what would that type of error be called then?