Singapore
Scott #516 1987
75c Cellular Model Singapore Science Center.
Used.
$1.10 Item #SIN0516S01
add to cart

Slovenia
Scott #195a 1994
70s and 215T 1994 Europa Se-tenant Pair.
Mint never hinged.
$3.75 Item #SLN0195aS1
add to cart

Slovenia
Scott #515-516 2003
107T Hallerstein and 221T Paulin, Famouse Men.
Mint never hinged.
$3.35 Item #SLN0515S1
add to cart

Spain
Scott #3327 2004
�1.90 Ebre Observatory.
Mint never hinged.
$3.25 Item #SPN3327S1
add to cart

Sri Lanka
Scott #785a 1986
50c, 75c, 6.50R and 8.50R Halley's Comet Souvenir Sheet.
Mint never hinged.
$6.00 Item #SRI0785aL4
add to cart

Sri Lanka
Scott #785a 1986
50c, 75c, 6.50R and 8.50R Halley's Comet Souvenir Sheet.
Mint never hinged.
$6.00 Item #SRI0785aL6
add to cart

Sri Lanka
Scott #785a 1986
50c, 75c, 6.50R and 8.50R Halley's Comet Souvenir Sheet.
Mint never hinged.
$6.00 Item #SRI0785aL7
add to cart

Sri Lanka
Scott #785a 1986
50c, 75c, 6.50R and 8.50R Halley's Comet Souvenir Sheet.
Mint never hinged.
$6.00 Item #SRI0785aL8
add to cart

Sweden
Scott #2149-2150 1995
5K and 5K Brache Astronomer.
Mint never hinged.
$2.40 Item #SWE2149S1
add to cart

Switzerland
Scott #495-499 1969
10c Swiss Girl Scouts, Emblem and Camp, 20c Pegasus Constellation, 30c Comptoir Suisse Emblem and Beaulieu Building, Lausanne, 50c Gymnaestrada Emlbem and 2F Swissair DC-8 and DH-3.
Mint never hinged.
$5.30 Item #SWI0495S1
add to cart

Switzerland
Scott #495-499 1969
10c Swiss Girl Scouts, Emblem and Camp, 20c Pegasus Constellation, 30c Comptoir Suisse Emblem and Beaulieu Building, Lausanne, 50c Gymnaestrada Emlbem and 2F Swissair DC-8 and DH-3.
Used.
$1.60 Item #SWI0495S2
add to cart

Switzerland
Scott #579 1980
3.50F Astronomical Clock Bern.
Used.
$1.00 Item #SWI0579S1
add to cart

Switzerland
Scott #B374-B377 1968
10c+10c Hunter, Month of May, 20c+10c Leo, 30c+10c Libra and 50c+20c Pisces, Rose Window, Lausanne Cathedral Semi-postal.
Mint never hinged.
$1.90 Item #SWIB374S1
add to cart

Switzerland
Scott #B374-B377 1968
10c+10c Hunter, Month of May, 20c+10c Leo, 30c+10c Libra and 50c+20c Pisces, Rose Window, Lausanne Cathedral 1968 Pro Patria Semi-postal.
Mint never hinged.
$1.35 Item #SWIB374S2
add to cart

Switzerland
Scott #B374-B377 1968
10c+10c Hunter, Month of May, 20c+10c Leo, 30c+10c Libra and 50c+20c Pisces, Rose Window, Lausanne Cathedral 1968 Pro Patria Semi-postal.
Mint never hinged.
$1.35 Item #SWIB374S3
add to cart

Switzerland
Scott #B374-B377 1968
10c+10c Hunter, Month of May, 20c+10c Leo, 30c+10c Libra and 50c+20c Pisces, Rose Window, Lausanne Cathedral 1968 Pro Patria Semi-postal.
Mint never hinged.
$1.35 Item #SWIB374S4
add to cart

Switzerland
Scott #B374-B377 1968
10c+10c Hunter, Month of May, 20c+10c Leo, 30c+10c Libra and 50c+20c Pisces, Rose Window, Lausanne Cathedral 1968 Pro Patria Semi-postal.
Mint never hinged.
$1.35 Item #SWIB374S5
add to cart

Tristan da Cunha
Scott #356-359 1984
10p Orion, 20p Scorpius, 25p Canis Major and 50 Crux Constellations.
Mint never hinged.
$1.95 Item #TST0356S1
add to cart

Tristan da Cunha
Scott #356-359 1984
10p Orion, 20p Scorpius, 25p Canis Major and 50 Crux Constellations.
Mint never hinged.
$1.95 Item #TST0356S3
add to cart

Tristan da Cunha
Scott #384-387 1985
10p, 20p, 30p and 50p Halley Comet..
Mint never hinged.
$3.10 Item #TST0384S1
add to cart