State of Oman sheet of 8 Blimp, Dirigible, Zeppelin stamps CTO Trucial State

Description

Here is a sheet of 8 stamps from the State of Oman showing various dirigibles, including:
SR-1 (Italy) 1918
R-80 (Great Britain) 1920
ZR Shenandoah 1923
ZMC-2 US Navy 1929
Akron ZRS-4 1929
Ferdinand von Zeppelin LZ-1
Graf Zeppelin- Hindenburg 1939
Graf Zeppelin LZ127
Stamps from Dhufar and the State of Oman were issued by exiled Imam Ghalib bin Ali al-Hinai's Oman Imamate State, a rebel group against the Sultanate of Oman. The exiled government was attepting to establish an independent area in the north of Oman, and printing their own postage stamps would reinforce their independence. Although very few of their stamps were used postally (those that were can be quite valuable), many, many different issues were printed as collectors items especially for topical collectors. In fact, most sheets (as is common with CTOs) had the cancellations printed during the lithograph process and not applied after the stamps were printed. These CTO stamps from many of the middle-eastern Trucial states are now a staple of the topical stamp market.
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Thanks for looking!!!
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