not sure if anyone used this method of painting but it works great for that aged look.
i have been using this technique on my props & sets for years and it really does age the prop very nice.
basically what you need to do is first lay down your base coat of whatever color you want the piece to be and let that dry completely. next you are going to get a topcoat color and lightly dip your paintbrush into it. on a scrap piece of wood or paper brush the paintbrush back and forth to try and remove a good bit of the paint from the brush, you want some paint on the brush but not a lot to paint over your base coat. then finally lightly drag the brush over the base cat you already left dry, this will create and aged look to the piece.
here are some example of dry brushing.
www.frightmarestudios.com
