Copernicus (Mikołaj Kopernik in Polish) was the Polish astronomer who formulated during the Renaissance a model of the solar system where the sun, not the Earth, was at the center. Born in Torun, Poland, on February 19, 1473, he is probably the most famous resident of the city and is one of the most famous scientists and astronomers in Polish history.
The old building of the V. I. Lenin State Library (former P. Pashkov's house) Architect V. Bazhenov
The building is now part of the Russian State Library (after the national library went through de-Leninization after the fall of communism.) The building was previously the Rumyantsev Museum, the first public museum in Russia, but was closed down by the Soviets in the 1920s.
Monument of V. I. Lenin in October Square (sculptors L. Kerbel, V. Fedorov, architects G. Makarevich, A. Samsonov)
I cannot find out if this statue is still standing. The October Square however was apparently renamed "Revolutionary Square" since the fall of the Soviet Union. This card is dated 1989, only a few years before the fall of the Soviet Union.
The main image of this card is 3rd of May Street. Naming streets after that date in Poland seems to be fairly popular since it references the 3 May Polish Constitution of 1791. It was the second ever written constitution in the world, after the American one.
I will point out that when I bought my Rzeszow postcards, the shopkeeper was so excited that I was buying them that she gave me this one free. Her store was located on this street but was moving to a different location in a few weeks.
The pictures according to the card are of the following: the Monument of Copernicus, Cathederal of St. Johns, Bridge Gate, The Leaning Tower, Raftsman Fountain and The Artus Courthouse, Filus - the dog statue, The Artus Courthouse, Panorama of the city.
The city of Rzeszow is the capital of the Subcarpatian Provence or, in Polish, Podkarpackie Voivodeship. This card shows the modern Hotel Rzeszow (the tall building in the background) which is actually connected to and sort-of a part of the Galeria Rzeszow shopping center. The iconic monument in for foreground is the communist-era Monument to the Revolutionary Action.