There is nothing unusual about this type of coin. The reason behind this overstriking event was that a lot of foreign coins were floating around in Brazil back then. When Brazil became independent from Portugal, the quickest way to get rid of foreign currencies is to overstrike them, rather than melting them down and making fresh coins.
More can be read here: http://en.wikipedia.org/wiki/Brazilian_real_(old)
30 dollars is definitely way too cheap. Could be worth in hundred dollar mark.
More can be read here: http://en.wikipedia.org/wiki/Brazilian_real_(old)
30 dollars is definitely way too cheap. Could be worth in hundred dollar mark.
My partial coin collection http://www.omnicoin.com/collection/gxseries
My numismatics articles and collection: http://www.gxseries.com/numis/numis_index.htm
Regularly updated at least once a month.
My numismatics articles and collection: http://www.gxseries.com/numis/numis_index.htm
Regularly updated at least once a month.

































