Slovakia
Scott #335 1999
16K Globe Universal Postal Union.
Mint never hinged.
$0.95 Item #SLV0335S1
add to cart

Slovenia
Scott #351-352 1998
30T and 90T UPU Se-tenant Pair.
Mint never hinged.
$1.25 Item #SLN0352aS2
add to cart

Spanish Guinea
Scott #304 19499
4P Universal Postal Union 1949 Guinea Espanola Santa Isabel, Primer Dia De Circulacion Registered to New York, N.Y. First Day. Cacheted.
Typewritten Address.
$7.50 Item #SPG304C1
add to cart

Spanish Morocco
Scott #280 1950
5c, 10c, 15c, 35c, 45c, 50c, 75c, 90c, 1P, 1.50P, 5P and 10P U.P.U. Control Numbers on Back.
Unused lightly hinged.
$38.75 Item #SMR280S1
add to cart

Sri Lanka
Scott #490 1974
50c UPU 100.
Mint never hinged.
$1.30 Item #SRI0490S1
add to cart

Sweden
Scott #197 1924
5o Stockholm Skyline Universal Postal Union Congress.
Used.
$1.60 Item #SWE0197S2
add to cart

Sweden
Scott #197 1924
5o Stockholm Skyline Universal Postal Union Congress.
Used.
$1.60 Item #SWE0197S4
add to cart

Sweden
Scott #197 1924
5o Stockholm Skyline Universal Postal Union Congress.
Used.
$1.60 Item #SWE0197S7
add to cart

Sweden
Scott #199 1924
15o Stockholm Skyline Universal Postal Union Congress.
Used.
$1.25 Item #SWE0199S2
add to cart

Sweden
Scott #199 1924
15o Stockholm Skyline Universal Postal Union Congress.
Used.
$1.25 Item #SWE0199S5
add to cart

Sweden
Scott #199 1924
15o Stockholm Skyline Universal Postal Union Congress.
Used.
$1.25 Item #SWE0199S6
add to cart

Sweden
Scott #199 1924
15o Stockholm Skyline Universal Postal Union Congress.
Used.
$1.25 Item #SWE0199S8
add to cart

Sweden
Scott #200 1924
20o Composite View of Stockholm's Skyline.
Unused lightly hinged.
$6.25 Item #SWE0200S5
add to cart

Sweden
Scott #201 1924
25o Composite View of Stockholm's Skyline.
Used.
$10.50 Item #SWE0201S2
add to cart

Sweden
Scott #204 1924
40o Composite View of Stockholm's Skyline.
Used.
$16.25 Item #SWE0204S2
add to cart

Sweden
Scott #205 1924
45o Composite View of Stockholm's Skyline.
Used.
$16.00 Item #SWE0205S2
add to cart

Sweden
Scott #206 1924
50o Composite View of Stockholm's Skyline.
Used.
$16.25 Item #SWE0206S1
add to cart

Sweden
Scott #207 1924
60o Composite View of Stockholm's Skyline.
Used with rounded corner.
$15.00 Item #SWE0207S1
add to cart

Sweden
Scott #207 1924
60o Composite View of Stockholm's Skyline.
Used with rounded corner.
$15.00 Item #SWE0207S2
add to cart

Sweden
Scott #215 1924
15o Universal Postal Union.
Used.
$1.50 Item #SWE0215S1
add to cart