Mr. and Mrs. Gus Muenzenmay of Havelock will be honorees at a 40th wedding anniversary Open House to be held Sunday, Dec. 16, 1973 in Fellowship Hall of St. Peter Lutheran Church, Pocahontas. The event will be hosted between the hours of 2:00 and 4:00 p.m. by their children, Mr. and Mrs. Charles Carmichael and Brian of Norwalk, Iowa, and Mr. and Mrs. Paul Muenzenmay, Brenda, Doug and Alan, of Inwood, Town aww, Mrs. Muenzenmay is the former Florence Reiter of Pal mer. The couple was married in St. Paul Lutheran Church at Palmer and have made their home on a farm in the Havelock vicinity ever since. Mr. and Mrs. Gus Muenzen may