There are two 10 Pesos covers in this correspondence. This is the highest value cover in this correspondence. The rate is 15.40 Pesos. The cover bears singles of the 10 Pesos and 5 Pesos, as well as a slightly damaged vertical pair of the 10c Brown, and a vertical strip of the 5c Moreno. The 5c Moreno and 10c Rivadavia Brown are from the clay typographed printings, 5cCLt and 10cBRCLt, respectively. The Argentinean postmark is a "BUENOS AIRES E.R.V.1o" from August 22, 1944.Quick links: main page / 5c and 10c / 20cLC, 25c, and 30c / 40c and 50c / Airmail Stamps / 1 Peso / 2 Pesos / 5 Pesos / 10 Pesos

Below are details of the high values on this cover. While it is difficult to tell from the watermark which issues these are, they are most likely a 5P1E (left), and a 10P1E (right).

Below is a detail of the postmark: "BUENOS AIRES E.R.V.1o" from August 22, 1944.

Below is a detail from the back of this cover. There are New York oval registry division markings for August 28 and 29, 1944, and a purple receipt mark dated August 30, 1944.