Oman Timline (01-Jan-1971 - 31-Dec-1980)

COVER
Date: 23-Aug-1978
Cover Type: Airmail
COVER
Date: 14-Sep-1978
Cover Type: Airmail
COVER
Title: 1978 First Day Cover: Al-Haj 1398
Date: 01-Nov-1978
Cover Type: First Day Cover
Stamps
Title: 1978 First Day Cover: Al-Haj 1398
COVER
Title: 1978 First Day Cover: National Day
Date: 18-Nov-1978
Cover Type: First Day Cover
Stamps
Title: 1978 First Day Cover: National Day
COVER
Title: 1978 Registered Mail from Muscat to South Africa
Date: 28-Nov-1978
Cover Type: Commercial
Stamps
Title: 1978 Registered Mail from Muscat to South Africa
COVER
Date: 01-Dec-1978
Cover Type: Airmail
COVER
Title: 1978 Registered Mail from Matrah to India
Date: 11-Dec-1978
Cover Type: Commercial
Stamps
Title: 1978 Registered Mail from Matrah to India
COVER
Date: 24-Dec-1978
Cover Type: Airmail
COVER
Date: 29-Dec-1978
Cover Type: Airmail
COVER
Date: 02-Jan-1979
Cover Type: Post Card
COVER
Title: 1979 Registered Mail from Central Post Office (Muscat) to Iran
Date: 04-Jan-1979
Cover Type: Commercial
Stamps
Title: 1979 Registered Mail from Central Post Office (Muscat) to Iran
COVER
Title: 1979 Registered Mail from Muscat to England
Date: 06-Jan-1979
Cover Type: Philatelic
Stamps
Title: 1979 Registered Mail from Muscat to England
COVER
Date: 14-Mar-1979
Cover Type: Airmail
COVER
Title: 1979 Registered Mail from Muscat to England
Date: 22-Mar-1979
Cover Type: Commercial
Stamps
Title: 1979 Registered Mail from Muscat to England
COVER
Title: 1979 Registered Mail from Muscat to England
Date: 29-Mar-1979
Cover Type: Commercial
Stamps
Title: 1979 Registered Mail from Muscat to England