The Polish National Digital Archive has a vast library of historic items covering a wide range of subject matter and among them are some photos of Polish aircraft.
This photo shows LOT Antonov An-24 SP-LTU, the photo is dated 1975-1980 and taken at Warsaw Okecie airport. This An-24 was registered on 1st October 1974 by the GILC as aircraft #1914. It was built in 1970 and initially delivered to the Polish Air Force with serial 015 prior to becoming SP-LTU with LOT. It was named "Drawa" ( a Polish river ). LOT received their first An-24 ( SP-LTA ) in 1966.
SP-LTU was destroyed in an accident on 26th March 1981 at Redzikowo near Slupsk.