It is a commemorative circulating coin with a diameter of 25.75 mm. of a round shape made in the Imprensa Nacional Casa da Moeda workshop.
This piece is made of nickel brass and cupronickel.
Centenary of the first crossing of the South Atlantic by plane 1922.
The Portuguese Gago Coutinho and Sacadura Cabral cross the South Atlantic aboard the seaplane Lusitania. They covered a distance of 8283 km.