TT PK 0064d 1977 MEXICO - BANCO DE MEXICO 20 PESOS PMG 66 EPQ GEM UNC POP SEVEN!TT PK 0064d 1977 MEXICO BANCO DE MEXICO 20 PESOS PMG 66 EPQ GEM UNC POP SEVEN! 1977 20 Pesos from Mexico, Banco de Mexico. Pick number 64d and serial number DN N1363727. Graded 66 EPQ (Exceptional Paper Quality) Gem Uncirculated by PMG! A lovely example displaying rich qualities throughout the entire note, such as deep inks, strong embossing, and nice crispness. Black serial number on the front of the note twice with Bold prints and beautiful details