Notes in GH:
Poland

Poland pick 173b: 10 Zlotych from 2016
15.9.2016. Dark brown, brown and olive-green on multicolor underprint. Prince Mieszko I at center right, arms at upper left center. Back: Medieval denar of Mieszko I at left center.

Poland pick 184b: 20 Zlotych from 2016
15.9.2016. Purple and deep blue on multicolor underprint. King Boleslaw I Chrobry at center right, arms at upper left center. Back: Medieval denar of Boleslaw II at left center.

Poland pick 185b: 50 Zlotych from 2017
8.12.2017. Blue-violet and deep blue and green on multicolored underprint. King Kamizierz III. Omron rings added.