All of these covers have as the highest value stamps of lower face value than the 1p value or have been posted with the 1p airmail value. The dates are in 1944-45. This first cover is a 1.05 pesos rate.
This second cover is a 1.65 pesos rate.
The third cover is a 2.05 pesos rate.
The fourth cover is a 2.15 pesos rate and has a note that the letter is written in French. Because the note is written in pencil, it is likely that this is a note made by one of the censors.
