Mr. and Mrs. John Kurth of Grant Park will celebrate their 50th% wedding anniversary with relatives and friends at an open house . from 2 until 4 p.m. Sunday at St. Peter's United Church of Christ in Grant Park. Mr. Kurth and the former Della Heldt were married a December 21, 1920, in the same church they w ill mark their anni- \ versary. They are the parents of Garlen of Sauk Village, and Mrs. H. Duane Greene of Fort Wayne, Ind., and have five grandchildren.