81. anniversary of the Katyn Massacre (Personalized and Private Mail Stamps 2021)

01 April (Personalized and Private Mail Stamps ) within release Poland : Moj Znaczek goes into circulation Stamp 81. anniversary of the Katyn Massacre face value A No Face Value

Stamp 81. anniversary of the Katyn Massacre in catalogues
Colnect codes:	Col: PL-PPS 2021-100

Stamp is square format.

Also in the issue Poland : Moj Znaczek:

• Stamp - 100th anniversary of the 3rd Silesian Uprising BITWA O KĘD face value A;
• Stamp - 101st anniversary of the birth of St. Jana Pawła II face value A;
• Stamp - 101st anniversary of the birth of St. Jana Pawła II face value A;
• Stamp - 101st anniversary of the birth of St. Jana Pawła II face value A;
• Stamp - 110th Anniversary of the Consecration of the Church of Birth face value A;
• Stamp - 110th anniversary of the consecration of the Church of st. B face value A;
• Stamp - 110th anniversary of the consecration of the Church of st. B face value A;
• Stamp - 2021 European Year of Railways ED78-006 Cross Wlkp. face value A;
• Stamp - 2021 European Year of Railways Ol49-82 Cross Wlkp. face value A;
• Stamp - 2021 European Year of Railways SA133-006 Cross Wlkp. face value A;
• Stamp - 250th anniversary of the birth of Ludwig van Beethoven 1770 face value A;
• Stamp - 31 We face value A;
• Stamp - 31we-027 face value A;
• Stamp - 55 years 1966-2021 Opole University of Technology face value A;
• Stamp - 55 years 1966-2021 Opole University of Technology face value A;
• Stamp - 55 years 1966-2021 Opole University of Technology face value A;
• Stamp - 55 years 1966-2021 Opole University of Technology face value A;
• Stamp - 55 years 1966-2021 Opole University of Technology face value A;
• Stamp - 55 years 1966-2021 Opole University of Technology face value A;
• Stamp - 55 years 1966-2021 Opole University of Technology face value A;
• Stamp - 60 years of the Castle Museum in Malbork 1961 2021 face value A;
• Stamp - 700 years of brewing tradition in the town of Namysłów 1321 face value A;
• Stamp - 700 years of brewing tradition in the town of Namysłów 1321 face value A;
• Stamp - 70th anniversary of the Agglomeration Railway and 20th anniv face value A;
• Stamp - 81. anniversary of the Katyn Massacre face value A;
• Stamp - 81. Rocznica Zbrodni KatyŃskiej face value A;
• Stamp - Arthur Silbergleit 1881-1943 face value A;
• Stamp - Cyms Paweł face value A;
• Stamp - Cyprian Kamil face value A;
• Stamp - Dąbrówka and Mieszko - Baptism of Poland face value A;
• Stamp - En 57 face value A;
• Stamp - En 57 Akm face value A;
• Stamp - En57-1827 face value A;
• Stamp - Ew 58 face value A;
• Stamp - Ew 60 face value A;
• Stamp - Ew 90 face value A;
• Stamp - Ew90-13 face value A;
• Stamp - Fojkis Walenty face value A;
• Stamp - Henryk Raczyniewski face value A;
• Stamp - Jan Ludyga (1889-1942) The Piekary Insurgent face value A;
• Stamp - John Paul II - Gniezno, 03/06/1979 face value A;
• Stamp - Maciej Kilarski face value A;
• Stamp - Opole Main Platform 2 2020 face value A;
• Stamp - Opole Main, Platform 2 2019 face value A;
• Stamp - Opole Main, Platform 2 2019 face value A;
• Stamp - Polish Chess Championship 2021 78. Lotto Individual Polish C face value A;
• Stamp - Polish Chess Championship 2021 78. Lotto Individual Polish C face value A;
• Stamp - Pro Memoria Krystian Żurawski (1952-2021) face value A;
• Stamp - Railway monuments and shrines to St. Katarzyna Aleksandryjsk face value A;
• Stamp - Railway monuments and shrines to St. Katarzyna Aleksandryjsk face value A;
• Stamp - Railway monuments and shrines to St. Katarzyna Aleksandryjsk face value A;
• Stamp - Railway monuments and shrines to St. Katarzyna Aleksandryjsk face value A;
• Stamp - Railway monuments and shrines to St. Katarzyna Aleksandryjsk face value A;
• Stamp - Railway monuments and shrines to St. Katarzyna Aleksandryjsk face value A;
• Stamp - Railway monuments and shrines to St. Katarzyna Aleksandryjsk face value A;
• Stamp - Railway monuments and shrines to St. Katarzyna Aleksandryjsk face value A;
• Stamp - Railway monuments and shrines to St. Katarzyna Aleksandryjsk face value A;
• Stamp - St. Jan Kanty 1390-1473 face value A;
• Stamp - Szczepan Jankowski 1900 1990 face value A;
• Stamp - Thank you Medykon for fighting COVID-19 face value A;
• Stamp - Thank you Medykon for fighting COVID-19 face value A;
• Stamp - Thank you Medykon for fighting COVID-19 face value A;
• Stamp - Tysiąclecia Mass - Gniezno, April 14, 1966 face value A;
• Stamp - Władysław I Łokietek (1260-1333) face value A;
• Stamp - XXIII Wrocław National Collector's Exhibition - Wrocław 2021 face value A;
• Stamp - XXIII Wrocław National Collector's Exhibition - Wrocław 2021 face value A;
• Stamp - XXIII Wrocław National Collector's Exhibition - Wrocław 2021 face value A;
• Stamp - XXVI years of the Katyn Family from Zamość face value A;