In an antiques dealer's 1820's farmhouse, natural decorations harmonize with cherished furnishings, prized collectibles, and family heirlooms. "An old house is the ultimate antique, and a way of life," claims the owner of this four-square Ohio farmhouse, an antiques collector of 20 years' standing. The loving care that he and his wife devoted to the restoration clearly bears witness to the claim. The house is filled with furniture and accessories collected on cross-country travels in search…