Portugal 1980 Energy Conservation

From Stamps of the World
  • Issue date: 31st October 1980
  • two values
  • Designed by: Vivaldo Graça
  • Printed by: INCM (The Mint)
  • Print process: lithography
  • stamp format height 29mm x width 40mm
  • Perforations: 12 x 11¾

Energy Conservation

  • candidates for power saving:


6.50esc ~ incandescent (high energy) light bulbs
16.50esc ~ speeding car

Sheet stamps

lightbulbs
speeding car