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Following
the Peace Treaty signed on February 10, 1947, there were modifications in the
Trieste zone: a part of the Territory which was under
the Anglo-American control, included Gorizia, was given back to Italy,
while almost the whole of Istria, part of the Anglo-American zone, and the
cities Fiume and Pola were assigned to Yugoslavia. Furthermore, it
was determined that the "Free Territory of Trieste" be divided into
an "A zone", which included Trieste and the coastal band situated
between Duino and Albaro Vescovà, to be under Anglo-American administration;
and "B zone", which included the north-west side of Istria, to be
under Yugoslav administration.
Both the administrations used their own stamps.
The Anglo-American administration used Italian stamps after applying the
overprint "AMG - FTT" (Allied Military Government - Free Territory
Trieste). In the "B zone" special stamps made for Trieste were used,
as well as Yugoslavian stamps with overprint; all showed the legend or
overprint "STT - VUJA" (Free Territory Trieste - Yugoslav Army
Military Administration). Since 1952, in the second part of the abbreviation
includes "N" ("Popular", referring to the Army).
On
October 1954, the "A zone" was made once again part of the Italian
territory, while the "B zone" became part of Yugoslavia.
http://www.cifr.it/Chapter_10.html
See also: Italy-Trieste
Scott: #15-16O
Issued: 10.10.1949
75th Anniversary, UPU
Inside #16: Stamps on Envelopes
Best website related:
http://www.euro-soft.nl/yuclub/
Wish
List
Yugoslavia - Trieste B #15-16