Mexico. Diamond bars cancel. Perf. 12x12. NF #167:5/01. Circular diamond dots cancel. Perf.12. NF #168:0,75/01. Perf. 12. Circular MEXICO DF, with 2 stars. NF #168: 0,75/01. Perf. 12x12. Circular cds. Minor thin. NF #168x2: 1,50/01. Perf. 12. Circular cds