issues known overprinted thus are the 1929 definitives, the 1931
Newspaper stamp, and the 1932 National Council, Liberation Monument
and Definitive sets.
1929 Definitive Specimens These
appear to be the first, and possibly the only, stamps to be given a
“specimen” overprint for distribution to the UPU. The overprint takes
the form of a small (approx. 2.5mm high) letter S, handstamped in
purple. According to Patterson, the 10 poul is the most commonly
encountered. The use of the word “commonly” is relative. All values are
1932 National Council Specimens The
1932 issues were also overprinted “batil shod” in Farsi (meaning
"cancelled" or "invalidated") for specimen purposes, but this is
thought to have been for internal purposes. All are scarce.
1931-32 Monument and Newspaper stamp specimens
1932 Monument Definitives Specimens
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