Lot 284
284
cover 1919 (Jan.) "POCZTA/POLSKA" overprint on Postage Due 10h. and 20h. carmine, both fresh with much original gum. Rare. Both with Mikulski Certificates. M. P2, 4. DM.7500. Photo
cover 1919 (Jan.) "POCZTA/POLSKA" overprint on Postage Due 10h. and 20h. carmine, both fresh with much original gum. Rare. Both with Mikulski Certificates. M. P2, 4. DM.7500. Photo

Details
cover 1919 (Jan.) "POCZTA/POLSKA" overprint on Postage Due 10h. and 20h. carmine, both fresh with much original gum. Rare. Both with Mikulski Certificates. M. P2, 4. DM.7500. Photo