Description
1920 (May 16) Plain envelope with back flap missing registered to Berlin bearing Germania 2 x Pairs & single 10pf + Pair 20pf overprinted Plebiscite Olsztyn Allenstein making 90pf rate tied faint Grob. Schmudmalde cds & with matching Registration label No 327 & on reverse Berlin W /177 (17 May) arrival cds …………………………………………………………………………
After the defeat of Germany a Plebiscite was held on 11 July 1920 to decide whether Olstein & Allenstein remained with Germany or Poland & overprinted stamps were issued from March of that year for publicity purposes with registered mail being scarce