This relief of a winged lion is on the left side of the entrance to 24 Slawkowska. Since this lion has a halo, it probably represents St. Mark.
Wikipedia's article on winged lions (
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"The winged lion is a mythological creature that resembles a lion with bird-like wings.
Mythical adaptions
The winged lion is found in various forms especially in Ancient and Medieval civilizations.
There were different mythological adaptions for the winged lion:
Shedu in Sumerian, Akkadian, Persian, and Iranian tribes mythology was depicted as a winged lion. He has often been depicted with a bull body instead of a lion body.
The winged lion was the heraldic symbol of Mark the Evangelist.
The first beast in the first vision of the Prophet Daniel resembled a winged lion.
Emblems
The emblems of the winged lions were featured in different countries:
The emblem of the Republic of Venice as the heraldic symbol of St. Mark the Evangelist, the patron saint of the Republic.
The Lion of Venice is an ancient bronze sculpture of a winged lion that is located in the Piazzetta di San Marco, Venice
The flag of the short-lived Septinsular Republic, derived from the above (Ionian Islands under Venetian rule), has a winged lion on it
The logo of Assicurazioni Generali which has a winged lion on it was derived from the above
The emblem of the North Atlantic Treaty Organization's (NATO) Allied Joint Force Command Naples Headquarters - Naples in Naples, Italy is a winged lion holding a sword and scroll on which is written "PAX" - Latin for "peace.""