Oman

In 1970, Muscat and Oman underwent a coup with Qaboos bin Said becoming sultan. Changes were made including the country name.

 File:Oman hlf r sultanate ovpt.jpg|1971 ½ riyal overprint File:Oman 25b first ovpt.jpg|1971-72 25 on 40b surcharge File:Oman 30b pictorial.jpg|1972 30b view definitive File:Oman Forces Day 1980.jpg|1980 750b Forces Day File:Oman municpality.jpg|1994 50b Muscat municipality File:Oman Oman-Japan.jpg|2012 100b Oman-Japan relations 
 * In January 1971, stamps of Muscat and Oman were overprinted with a bilingual SULTANATE OF OMAN and old data lined out.
 * In 1971-72, three Muscat and Oman values were similarly surcharged.
 * Following issues were inscribed SULTANATE OF OMAN including a 1972 multicolor pictorial definitive series with Multiple St. Edward's Crown watermark (reissued 1976-82 with spiral watermark).

State of Oman
 File:State of Om fish 25.webp|bogus 25b reef fish from a sheetlet of 8 
 * Beginning in the late 1960s, when war in the region created an unsettled situation, bogus topical stamps appeared, produced by Clive Feigenbaum's printing plants. These were inscribed for the STATE OF OMAN that never existed. These were often found in sheetlets and souvenir sheets, either mint or CTO. Enjoy the pretty pictures and try not to throw up if you've paid real money for these.

[[Category:O]]