1959 Topps Baseball #478 Roberto Clemente card. Graded MINT 9 by PSA. Of the 6,691 examples of this card listed in the PSA Population Report, NONE has been graded higher, and it ranks within the top 1% of all PSA-graded 1959 Topps #478 Roberto Clemente cards. Technically, the card adheres to the strict standards of its lofty grade. The borders remain white, while the edges appear very smooth. All four corners are sharp. Centering is near perfect and the card remains fresh and glossy with a clean reverse. One would be hard pressed to find a finer example.