Stampfinder B03O

Stamps with overprints and surcharges beginning with the letter O

Sections are sorted by the first two letters. Ignore spaces and periods/stops in your search. Only examples are shown, not every possible stamp in every version. Perhaps someday...

Links are given for the Stamp Encyclopedia.

OB
 File:Obock 1f curved.jpg|Obock. See: Obock File:Obock straight overpt.jpg|Obock 

OC
 File:Cameroun occ Francaise ovpt.jpg|Cameroun under French occupation. See: Cameroun (1887-1959) 

OE
 File:Ljubljana Semi A.jpg|Yugoslavia, Italian occupation of Ljubljana. See: Ljubljana 

OF
"OFICIAL" is not an error, but the word for "official" in Spanish or Portuguese.  File:Iraq horse official.jpg|Iraq official stamp File:NZ 1sh offi.jpg|New Zealand official stamp. See: New Zealand back of the book issues File:Switzerland dam official.jpg|Switzerland official stamp File:SWA vert ovpt 6d offic.jpg|South West Africa official stamp. See: South West Africa – back of the book issues File:Portugal official.jpg|Portugal official stamp 

OH
O.H.M.S. stands for "On Her/His Majesty's Service", an official stamp.  File:Canada 14c OHMS.jpg|Canada official stamp File:Som Prot OHMS.jpg|Somaliland Protectorate official stamp 

OI
 File:Niger coast 2d.jpg|Niger Coast Protectorate. See: Niger Coast Protectorate 

OL
 File:Allenstein plebiscite.jpg|Allenstein. See: Allenstein File:Allenstein oval.jpg|Allenstein. See: Allenstein File:Oltre Giuba 2.50L.jpg|Oltre Giuba. See: Oltre Giuba 

OM
 File:Syria OMF.jpg|Syria. See: Syria 

ON
 File:Cochin 1a brt blue full face off.jpg|Cochin, an Indian feudatory state. The overprint stands for "On Cochin government service" and is then an official stamp. See: Cochin File:Iraq king.jpg|Iraq official stamp File:Castellorizo 5c French.jpg|Kastellorizo or Castellorizo, French occupation. </Gallery>

OR
 File:OFS River Colony ovpt.jpg|Orange Free State. See: Orange Free State File:Switz WHO bridges.jpg|World Health Organization official stamp. See: World Health Organization </Gallery>

OS
Stamps with OS overprints are official stamps. See: OS  File:Australia Sydney Bridge OS.jpg|Australia official stamp File:New Guinea official.jpg|New Guinea official stamp File:Sudan OSGS.jpg|Sudan official stamp ("On Sudan Government Service"). See: Sudan – back of the book issues File:OSTLAND 40pf.jpg|Ostland was a region of Russia under German occupation. See: Ostland </Gallery>

OU
 File:Ubangi Chari ovpt AEF.jpg|Ubangi-Shari. Rather confusing, but there it is. See: Ubangi-Shari File:UBC ovpt.jpg||Ubangi-Shari-Chad. See: Ubangi-Shari-Chad </Gallery>

OW
 File:GB OW offic A.webp|Great Britain Office of Works official. See: Great Britain – official issues </Gallery>

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