Energy - Cycle of Natural Resources

    Portugal  1976.12.30

    In issue: Stamp(s): 5   

    Printing: multi-color varnished offset

  • Number by catalogue:  Michel: 1346   Yvert: 1326   Scott: 1318   Gibbons: 1639  

    Perforation: Comb   Perforation type: 14 ¼x14

    Subject:

    10 escudos.

    Clouds, a wind vortex and the blades of a windmill symbolizing the strength of the wind power.