The "Piso" denomination name is a Philippine term, not Malaysian — Penang's pre-federation currency history runs through Spanish milled dollars, British straits coinage, and eventually the Malayan dollar. This piece almost certainly carries "Ringgit" or "Sen" markings, suggesting the catalog entry name contains an error. Treat the metadata with caution before attribution.
The "Piso" denomination name is a Philippine term, not Malaysian — Penang's pre-federation currency history runs through Spanish milled dollars, British straits coinage, and eventually the Malayan dollar. This piece almost certainly carries "Ringgit" or "Sen" markings, suggesting the catalog entry name contains an error. Treat the metadata with caution before attribution.