Tie 1/2 teaspoon whole cloves, 6 inches stick cinnamon, and 10 whole allspice in piece of cheesecloth. Drain one 1 pound 13 ounce can peach halves, reserving 1/2 cup syrup. In saucepan, combine reserved peach syrup with 1/3 cup vinegar, 1/2 cup sugar, 1/2 unpeeled orange, quartered and sliced, and spice bag. Heat to boiling; simmer covered 5 minutes. Let cool to room temperature. Remove spice bag. Serve warm or chilled. Makes 7 or 8 servings.