| Mexico - XX | 1915 (26 May) Llano, Sonora - Hermosillo 10c provisional fkd env, tied cds grill. Fine. Arrival reverse. |
U$ | 18 |
| Mexico - XX | 1915 (26 May) Llano, Sonora - Hermosillo 10c provisional fkd env, tied cds grill. Fine. Arrival reverse. |
U$ | 18 |