The oddest — and, in my opinion, the most historic — object up for grabs at the estate sale at the Herndon home of the late Irvin Williams, the longest-serving head gardener in White House history, is a bag of 13 tennis balls.... Historic and, as it turns out, timely.Wp Get the full experience. Choose your plan ArrowRight Williams retired in 2008.... An estate sale gets underway there on Friday....