MEXICO. Banco de Guanajuato. 1000 Pesos, ND. P-S295s. Specimen. PMG Choice Uncirculated 64.(M356s) Specimen. A terrific highest denomination note which shows with strong original paper and lovely detail. Specimen overprint and solid zero serials at left and right lower center. Punch cancels through the signature panels. The reverse does not have the stamped date which differs from the only previous example we handled back in 2011.PMG Choice Uncirculated 64.