Now showing: Oman - Postage stamps (1971 - 1979) - 4 stamps.
30. July WM: None Sheetsize: 50 Design: Pakistan Security Printing - Karachi Perforation: 13
8. September WM: None Sheetsize: 50 Design: State Banknote Printing - Finland Perforation: 14½
9. October WM: None Sheetsize: 50 Perforation: 14