Oman Timline (01-Jan-1981 - 31-Dec-1990)

COVER
Date: 21-Oct-1989
Cover Type: Airmail
COVER
Date: 21-Oct-1989
Cover Type: Airmail
COVER
Title: 1989 First Day Cover: Omani Costumes
Date: 11-Nov-1989
Cover Type: First Day Cover
Stamps
Title: 1989 First Day Cover: Omani Costumes
COVER
Date: 18-Nov-1989
Cover Type: First Day Cover
COVER
Title: 1989 Registered Mail from Salalah CPO to West Germany
Date: 12-Dec-1989
Cover Type: Commercial
Stamps
Title: 1989 Registered Mail from Salalah CPO to West Germany
COVER
Date: 18-Dec-1989
Cover Type: First Day Cover
COVER
Date: 01-Jan-1990
Cover Type: First Day Cover
COVER
Date: 27-Feb-1990
Cover Type: Airmail
COVER
Date: 24-Mar-1990
Cover Type: First Day Cover
COVER
Date: 28-Mar-1990
Cover Type: Commercial
COVER
Date: 22-Apr-1990
Cover Type: First Day Cover
COVER
Title: 1990 First Day Cover: 150th Anniversary of the 1st Omani Envoy visiting the U.S.A
Date: 30-Apr-1990
Cover Type: First Day Cover
Stamps
Title: 1990 First Day Cover: 150th Anniversary of the 1st Omani Envoy visiting the U.S.A
COVER
Date: 05-May-1990
Cover Type: First Day Cover
COVER
Title: 1990 Registered Mail from Suwaiq (Suwaik) to USA
Date: 05-May-1990
Cover Type: Commercial
Stamps
Title: 1990 Registered Mail from Suwaiq (Suwaik) to USA
COVER
Title: 1990 Incoming Mail from Egypt to Khaboora - Return to Sender
Date: 13-Aug-1990
Cover Type: Commercial
Stamps
Title: 1990 Incoming Mail from Egypt to Khaboora - Return to Sender