Belgium
Scott #400 1949
4F Universal Postal Union.
Unused lightly hinged.
$2.00 Item #BEL0400S1
add to cart

Belgium
Scott #400 1949
4F Universal Postal Union.
Used.
$1.10 Item #BEL0400S3
add to cart

Belgium
Scott #443 1952
7F Prince Alexander Ferdinand Universal Postal Union Congress.
Unused hinged.
$6.25 Item #BEL0443S2
add to cart

Belgium
Scott #443 1952
8F Prince Alexander Ferdinand Universal Postal Union Congress.
Used.
$1.50 Item #BEL0443S4
add to cart

Belgium
Scott #443 1952
10F Prince Charles Anselme Universal Postal Union Congress.
Unused hinged.
$9.00 Item #BEL0444S2
add to cart

Belgium
Scott #444 1952
10F Prince Charles Anselme Universal Postal Union Congress.
Unused lightly hinged.
$11.00 Item #BEL0444S1
add to cart

Belgium
Scott #445 1952
20F Prince Charles Alexander Universal Postal Union Congress.
Unused lightly hinged.
$30.00 Item #BEL0445S1
add to cart

Belgium
Scott #879-880 1974
5F Montgomery Blair and 10F Heinrich von Stephan Universal Postal Union.
Mint never hinged.
$0.90 Item #BEL0879S2
add to cart

Belgium
Scott #879-880 1974
5F Montgomery Blair and 10F Heinrich von Stephan Universal Postal Union.
Mint never hinged.
$0.90 Item #BEL0879S3
add to cart

Belgium
Scott #1733 1999
34F Universal Postal Union.
Mint never hinged.
$1.65 Item #BEL1733S2
add to cart

Belize
Scott #685-688 1983
10c Belmopan Earth Station 15c Telstar 2 75c Universal Postal Union Monument and $2 Mail Boat 1983 World Communications Year.
Mint never hinged.
$3.00 Item #BLZ0685S1
add to cart

Belize
Higgins & Gage #FG1 1975
15c Butterfly Universal Postal Union Air Letter.
Unused.
$4.50 Item #BLZUF01W1
add to cart

Bosnia and Herzegovina
Scott #335 1999
1.50M Universal Postal Union.
Mint never hinged.
$1.65 Item #BOS335S1
add to cart

Brazil
Scott #1639-1642 1979
2,50, 10,50, 12,00 and 12,50 Universal Postal Union 1979 Illustrated Rio de Janeiro Premeiro Dia Circulacao. First Day. Signed Souvenir Folder. OVERSIZE 6.5 inches x 8.5 inches.
Unaddressed.
$5.00 Item #BRA1639L01
add to cart

British Guiana
Scott #247 1949
6c Universal Postal Union.
Used.
$2.50 Item #BRG247S1
add to cart

Brunei
Scott #79-82 1949
8c, 15c, 25c and 50c Universal Postal Union Anniversary.
Unused lightly hinged.
$3.90 Item #BRU0079S1
add to cart

Bulgaria
Scott #2195 1974
28s Postrider Souvenir Sheet.
Mint never hinged.
$1.60 Item #BUL2195S2
add to cart

Bulgaria
Scott #2982 1984
3L UPU Congress Souvenir Sheet.
Mint never hinged.
$3.75 Item #BUL2982C01
add to cart

Bulgaria
Scott #C59 1949
50L Symbols of the UPU.
Unused hinged.
$1.00 Item #BULC059S1
add to cart

Canada
Scott #202 1933
5c Quebec Buildings Universal Postal Union Meeting 1933 Quebec, Canada to Silver Spring, Md. First Day. Uncacheted.
Label address.
$15.00 Item #CAN0202C02
add to cart

Canada
Scott #202 1933
5c Quebec Buildings Universal Postal Union Meeting 1933 Winnipeg, Manitoba Give Your Change of Address To The Postmaster to Brighton, Mass. First Day. Uncacheted.
Ink address.
$15.00 Item #CAN0202C03
add to cart

Canada
Scott #202 1933
5c Quebec Buildings Universal Postal Union Meeting 1933 Charlottetown Prince Edward Island Advise Correspondents of Your Correct Address to Brighton, Mass. First Day. Uncacheted.
Ink address.
$17.50 Item #CAN0202C04
add to cart

Canada
Scott #202 1933
5c Quebec Buildings Universal Postal Union Meeting 1933 Saint John N.B. Canada to Brighton, Mass. First Day. Uncacheted.
Ink address.
$17.50 Item #CAN0202C05
add to cart

Canada
Scott #202 1933
5c Quebec Buildings Universal Postal Union Meeting 1933 Medicine Hat, Alberta to Burlington Flats, New York. First Day. Uncacheted.
Ink address with some discoloration.
$15.00 Item #CAN0202C06
add to cart

Canada
Scott #202 1933
5c Quebec Buildings Universal Postal Union Meeting 1933 Ottawa, Ontario to Middletown, New York. First Day. Uncacheted.
Ink address.
$15.00 Item #CAN0202C07
add to cart

Canada
Scott #202 1933
5c Universal Postal Union Meeting.
Unused hinged with lightly disturbed gum.
$3.50 Item #CAN0202S02
add to cart

Canada
Scott #202 1933
5c Universal Postal Union Meeting.
Used.
$1.85 Item #CAN0202S03
add to cart

Canada
Scott #202 1933
5c Universal Postal Union Meeting.
Used.
$1.85 Item #CAN0202S05
add to cart

Canada
Scott #202 1933
5c Universal Postal Union Meeting.
Used.
$1.50 Item #CAN0202S07
add to cart

Canada
Scott #202 1933
5c Government Buildings in Ottawa Universal Postal Union Meeting.
Used.
$1.50 Item #CAN0202S10
add to cart

Canada
Scott #202 1933
5c Government Buildings in Ottawa Universal Postal Union Meeting.
Used.
$1.50 Item #CAN0202S11
add to cart

Canada
Scott #202 1933
5c Government Buildings in Ottawa Universal Postal Union Meeting.
Used.
$1.50 Item #CAN0202S12
add to cart

Canada
Scott #202 1933
5c Government Buildings in Ottawa Universal Postal Union Meeting.
Used.
$1.50 Item #CAN0202S13
add to cart

Canada
Scott #202 1933
5c Universal Postal Union Meeting.
Used.
$1.85 Item #CAN0202S2
add to cart

Canada
Scott #202 1933
5c Universal Postal Union Meeting.
Unused lightly hinged.
$5.00 Item #CAN0202S3
add to cart

Canada
Scott #202 1933
5c Universal Postal Union Meeting.
Used.
$1.50 Item #CAN0202S4
add to cart

Canada
Scott #371-372 1957
5c and 15c Universal Postal Union Congress.
Mint never hinged.
$1.95 Item #CAN0371S3
add to cart

Canada
Scott #371-372 1957
5c and 15c Universal Postal Union Congress.
Mint never hinged.
$1.95 Item #CAN0371S4
add to cart

Canada
Scott #371-372 1957
5c and 15c Universal Postal Union Congress.
Mint never hinged.
$1.95 Item #CAN0371S5
add to cart

Canada
Scott #372 1957
15c Post Horn and Globe Universal Postal Union Congress.
Used.
$1.00 Item #CAN0372S01
add to cart

Canada
Scott #372 1957
15c Universal Postal Union Congress.
Mint never hinged.
$1.50 Item #CAN0372S4
add to cart

Canada
Scott #372 1957
15c Universal Postal Union Congress.
Mint never hinged.
$1.50 Item #CAN0372S6
add to cart

Canada
Scott #372 1957
15c Post Horn and Globe Universal Postal Union Congress Plate Block No. 1.
Mint never hinged.
$9.00 Item #CAN0372S8
add to cart

Canada
Scott #648-649 1974
8c and 15c Universal Postal Union 1974 First Day of Issue, Jour D 'Emission, Ottawa Canada. Colorano Silk Cachet on two covers.
Unaddressed.
$5.00 Item #CAN0648C01
add to cart

Canada
Scott #1806 1999
46c Universal Postal Union.
Mint never hinged.
$0.55 Item #CAN1806S1
add to cart

Central African Republic
Scott #C125 1974
500F Universal Postal Union.
Mint never hinged.
$5.75 Item #CARC125S1
add to cart

Central African Republic
Scott #C125 1974
500F Universal Postal Union.
Mint never hinged.
$5.75 Item #CARC125S2
add to cart

Central African Republic
Scott #C125 1974
500F Universal Postal Union.
Mint never hinged.
$5.05 Item #CARC125S3
add to cart

Central African Republic
Scott #C125 1974
500F Universal Postal Union.
Mint never hinged.
$5.05 Item #CARC125S4
add to cart

Central African Republic
Scott #C125 1974
500F Universal Postal Union.
Mint never hinged.
$5.05 Item #CARC125S5
add to cart