View source for Sierra Leone 1990 Exploration of Mars

=Miniature Sheets=

*Issue Date: 15 Jan 1990
*Designed by: [[:Category:Vasarhelyi|G. L. Vasarhelyi]]
*Printed by: 
*Print Process:
*Perforations: 

{|
|[[File:Sierra Leone 1990 Exploration of Mars a.jpg|thumb|400px|]]
|[[File:Sierra Leone 1990 Exploration of Mars b.jpg|thumb|400px|]]
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|[[File:Sierra Leone 1990 Exploration of Mars c.jpg|thumb|400px|]]
|[[File:Sierra Leone 1990 Exploration of Mars d.jpg|thumb|400px|]]
|}