Muscat: 1944 First overprinted set of 15 cancelled-to-order by Dubai c.d.s., fin
Muscat
1944 First overprinted set of 15 cancelled-to-order by Dubai c.d.s., fine. In addition an Aden-Kathiri State of Seiyun 5f. on 5c. with ovpt. shifted to the left (11-12 mm), MNH.
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