The silver was part of the National Defence Fund, which was set up by President Mościcki in April 1936 to raise additional funds by way of contributions for the rearmament of the army in the face of the threat to the Polish state by Nazi Germany.
Poland took the silver medal at the FIVB Volleyball Men's World Championship held in Katowice, southern Poland, on Sunday.
Poland's Natalia Pacierpnik on Saturday was second in the women's kayak K1 finals in the 2022 Canoe Slalom World Cup in Pau, France.
Poland's Katarzyna Kolodziejczyk and Dominika Putto won a silver medal in the women's 200-metre (K2) kayak race at the European Championships in Munich on Sunday.
Poland's Justyna Iskrzycka won a silver medal in the women's single 1,000-metre (K1) kayak sprint at the European Championships in Munich on Sunday.
Polish athletes Natalia Kaczmarek, Anna Kielbasinska, Iga Baumgart-Witan and Justyna Swiety-Ersetic won silver in the 4x400-metre relay at the European Championships in Munich on Saturday.
The Polish women's team placed second in the non-Olympic K2 1000-metre final to take the silver medal at the 2022 European Rowing Championships being held in Munich.
Urszula Łoś of Poland has won a silver medal of the cycling track - women's keirin race at the European Cycling Championships Munich 2022.
Poland took the silver medal in the men's quadruple sculls final at 2022 European Rowing Championships held in Munich on Saturday.
Agata Barwińska of Poland has won the silver medal at the 2021 ILCA 6 (Radial) Women's World Championship, which ended in Al Mussanah, Oman, on Monday.