Many finishes, and metals/alloys. One question I have is who chooses the finish description (matte,SP, etc...) the customer or the TPGS??? It seems to vary a lot. (Pics from MCM) Link to MCM... https://www.moderncoinmart.com/tags/apollo-11-robbins-medal/?utm_source=ngc&utm_medium=banner&utm_campaign=MMM0693&utm_content=09212018-ngc-apollo-homepage&mkt_tok=eyJpIjoiT1RGa09EUmpPRFF4TkRKbSIsInQiOiI5NHpaVVJvVGN6RGl3SnhvZWp1Rm5CRnl6TjlRb1FibFBUbDJPNGVkOWVIY1VTNGoyNktnM3p3ZkprR1BxaHVvMTVGQXZqd2hOc3VIYmJPK1pmYzBvdmRLeURrNUZtK0JcL2RFUlVUVnFXVk1vNDVQbFNjN3pFU3FlUjlsUHBDNFIifQ==