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Manufacturer: Poland
1916: German Post in Poland: 3 Pfennig Germania-stamp, overprinted Russisch Posen with Warschau 28. 3. 16 – cancellation. (Michel # 1 ).
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Additional 3 stamps, never officially issued and thus scarce on letter: A 10 Groszy stamp, an overprinted 2 Groszy on 10 Groszy and a 6 Groszy on 5 Groszy stamp – all 3 with " K.O.m.st.W 28 3.16 - cancellations ( Michel# 2, 9 and 10). High catalogue value. ( US$ 300+ ) |
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