Billon, 19.2mm diameter, wt. 0.97gm.  + FERNANDVS ET HELISABETA Crowned F, annulets at sides  R.+ RE : ET: REGINA CAST: LEGI: Crowned double Y.  Mintmark aqueduct below, Gothic A in right field.  Cayon 2273.  A patch of hard green patina, otherwise Fine - Good Fine

Ex David Rogers collection.