Energy in the 21st Century - Geothermal Technology 1999

Now showing: El Salvador - Postage stamps - 1999 - Energy in the 21st Century - Geothermal Technology - 2 stamps.

1999 Energy in the 21st Century - Geothermal Technology

16. July WM: None Perforation: 14 x 14¼

[Energy in the 21st Century - Geothermal Technology, type AWA] [Energy in the 21st Century - Geothermal Technology, type AWB]
No. Type D Mint Condition Unused Used Letter/FDC
2224 AWA 1Col 0.52 - 0.26 - USD  Info
2225 AWB 4Col 1.56 - 1.04 - USD  Info
2224‑2225 2.08 - 1.30 - USD 
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