Iraq: 1942 (20 April). Mausoleum of Sitt Zubaidah definitive 1f overprinted On State Service for official use unmounted mint plate 1B complete sheet of 100 with Sg. type O26a (Row 5/8) and O26b overprints (Row 9/10) varieties. Several brown spots on reverse but scarce as a complete sheet. Sg. O230, O230a, O230b. **
