2020 Donruss Optic Rated Prospects Signatures Blue #RPSJD Jasson Dominguez Rookie Autograph 19/49. This limited edition example has been graded PSA MINT 9 and features Yankees uber-prospect 17 year old Jasson Dominguez, widely regarded as one of baseball's top prospects. This card falls into the "investment piece" category and is sure to please.