silver coin Posted February 27, 2016 Report Share Posted February 27, 2016 GBCA is a chinese coin and banknotes certificate like PCGS and others. it is good at china. but not famous as PCGS. at china GBCA is ok. this is a famous hongkong gold shop porduct's gold sycee. chinese love old shop. Quote Link to comment Share on other sites More sharing options...
ccg Posted February 28, 2016 Report Share Posted February 28, 2016 Judging from the "9999" I take that this is a relatively modern jeweler's piece? Quote Link to comment Share on other sites More sharing options...
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