Two separate portraits of two military [1900s-1930s]

Silver gelatin on nitrate film negative with two separate portraits of two military. Two numbers inscriptions on the border: First: 5198 - Second: 5199. Negativo de plata gelatina en soporte de nitrato de celulosa con dos retratos separados de dos militares. Dos números inscritos en el borde: Primero: 5198 - Segundo: 5199. Extent: 1 cellulose nitrate film negative. Size and dimensions of original material: Height: 6.3cm, width: 8.8cm. Author(s)/Creator(s): Elias del Aguila.