Mr. and Mrs. David Serwacki of Derby celebrated their 50th wedding anniversary with a trip to Seneca Allegany Casino. Mr. Serwacki met the former Maria Bamford, a native of Christchurch, New Zealand, in Christchurch when he was stationed there as a Navy Seabee after leaving Antarctica. They were married March 28, 1967, in historic Christchurch Cathedral in Christchurch. He retired from the Ford Motor Co. Buffalo Stamping Plant, and she retired from Buffalo Exterminating in Orchard Park. They have two children and one grandchild.