To emphasize your interest in Polish history, you can decorate your room or office with a magnificent historical poster. There are many products with Jozef Pilsudski depicted on them, as he was a famous statesman and even the Chief of State for four years.
What is more, you can buy copies of real propaganda posters, used during the Polish-Soviet War that took place in 1919-1921. Usually, they have slogans which call for fight against the Bolsheviks. What is more, you can order reproductions of the paintings created by Bronislaw Gebarzewski. They show various kinds of Polish soldiers, usually cavalry troops.