blue map (10c)

Aerovias Nacionales was an air mail company servicing the PR Island and USA Virgin Islands during the late 1930's and early 1940's. These stamps were used to pay the air mail rate.

blue map surch. Vale Por 15 on 10c blue

green map (75c)

Kofresi (25c)

http://en.wikipedia.org/wiki/Puertorrique%C3%B1a_de_Aviaci%C3%B3n

Kofresi (5c)

Triangle ($1)

Triangle (10c)

Triangle (15c) (surch)

Triangle (1c)

Triangle (25c)

Triangle (3c)

Triangle (50c)

Triangle (5c)