10th Session of the Supreme Council of the Gulf Cooperation Council (GCC)

Issued in 1989, this stamp commemorates the 10th Session of the Supreme Council of the Gulf Cooperation Council (GCC), held in Muscat, Oman, in December 1989. Established in 1981, the GCC brings together the member states of the Arabian Gulf to promote economic, political, cultural, and security cooperation. The annual summit provides a forum for discussing issues of common interest and strengthening regional collaboration.

By issuing this commemorative stamp, the Sultanate of Oman highlighted its role in hosting this important regional gathering and reaffirmed its commitment to Gulf cooperation. The issue celebrated the achievements of the GCC during its first decade and emphasized the importance of regional unity, economic integration, and mutual cooperation in promoting stability, prosperity, and development among the Gulf states.