Antonio (Sam) Mazza of 412 Fourth St.;Monessen;died Tuesday;April 12;1968;in Allegheny General Hospital;Pittsburgh. He was 78. Mr.Mazza was born June 13;1909;in Italy;a son of the late Giuseppe and Lucia Mazza. He was a member of St.Cajetan Catholic Church of Monessen;the Italian Society of Mutual Aid and the Monessen Eagles. In 1972 Mr.Mazza retired from Wheeling-Pittsburgh Steel Corp.;Monessen plant;where he worked in the pipe shop department. Survivors include his wife;Ida Rizzuto Mazza;a son;Joseph Mazza of West Mifflin;a granddaughter;Belinda Szakal of Donora;and one great-granddaughter;Tiffany. Friends will be received Thursday from 2 to 4 and 7 to 9 p.m.in the Raymond D.Dalfonso Funeral Home;441 Reed Ave.;Monessen;where a blessing service will be held Friday;April 15;1988;at 9:30 a.m.;followed by a Mass of Christian Burial at 10 a.m.in St.Cajetan Catholic Church;Monessen;with Msgr.P.Lino Ramellini as celebrant. Burial will be in Belle Vernon Cemetery. The Raymond D.Dalfonso Funeral Home is in charge of arrangements.