Upu - Universal Postal Union - Symbol Stamps

From the Sultanate of Oman, marking the centenary of the UPU:





Issued 9 October 1974.

From the Sultanate of Oman, marking the 125th anniversary of the UPU:





Issued 9 October 1999.

From the Kingdom of Saudi Arabia, first from a set issued in 1974 (7 July 1974) to mark the centenary of the UPU:



(Not sure why the UPU symbol was partially obscured by the three emblems of the Arab Postal Union, the Pan-African Postal Union and the Saudi Arabia Post Office, unless religious constraint on the depiction of living things was being applied strictly).

Then a single stamp issued 26 October 1999, for the 125th anniversary (no constraints applied, apparently):

From the United Arab Emirates, issued 15 May 1999, to mark the 125th anniversary of the UPU:

Issued by Great Britain, to mark the 75th anniversary of the UPU, this stamp was one of four issued, but the only one to show the UPU symbol:





Issued 10 October 1949.

Turkey
Centenary of the Universal Postal Union
October 9, 1974
The UPU emblem appears in all three stamps.

Dubi
Inauguration of the new UPU headquarters
May 20, 1970
UPU Headquarters in Berne, UPU emblem, satellite communication

Romania
The 23th UPU Congress Bucharest
October 5, 2004
UPU Statue at Bern

I have these from Egypt

Kazakhstan
World Post Day
October 9, 1996
Set of two, one stamp shows UPU emblem and a dove with letter emblem.

Egypt
World Post Day
October 9, 2014
UPU emblem and envelope

Bosnia and Herzegovina (Sarajevo)
125 Years of Membership of UPU
June 27, 2017
The design includes UPU emblem and an Austro-Daimler 1905 truck.

Canada
125th Anniversary of Universal Postal Union
August 26, 1999
World map, UPU emblem

Guinea
First Anniversary of the UPU Membership
May 6, 1960
UPU emblem, local decrorative motif
(Printed by Courvoisier S. A.)

El Salvador
125 years of Universal Postal Union
October 22, 1999
The se-tenant pair shows UPU emblem and modern mail service.