Ahead of the 50th anniversary celebration of the Organization of the Petroleum Exporting Countries, OPEC, Nigeria's Minister of Petroleum Resources, Mrs. Diezani Allison-Madueke, has flagged off the in-country celebration of the Organization's Golden Jubilee with the launch of commemorative postage stamps.
The Minister said the launch, in the capital city of Abuja, was one of the events mapped out by the OPEC Secretariat for all member countries for the anniversary celebrations, which will round off in September in Vienna, Austria, where the headquarters of the cartel is based.
