JOÃO II, D. (Rei de Portugal).- Carta régia.- Século XV (1483).- 260 x 430 mm. Manuscript on parchment, in cursive Gothic script of the reign of King D. João II. Letter by which King D. João II grants the privilege to the direct descendants of Baron João Fernandes da Silveira to use the title of Dom. Document lacking the pendant seal, some stains and a serious fault near the bottom margin affecting the summary, dated October 6, 1483; autograph signature: Rey.