Mr. and Mrs. Duane W. Brock of Auburndale, Fla., formerly of Boston, celebrated their 50th wedding anniversary with a gathering for family and friends at Ilio DiPaolo's Restaurant, Hamburg. Mr. Brock and Helen Draudt were married Aug. 11, 1962, in Faith United Church of Christ, Boston. He is a retired claims adjuster for Allstate with 30 years of service; she is currently working in the general office for Heary Bros. Lightning Protection Co. They have two children and three grandchildren.