Unfortunately, they don't go for much. Here in California we currently have them selling for $30, $40, $50, $60, $100 and $120 on the San Francisco Bay Area Craigslist. This is unfortunate, as they are wonderful pieces of history, just not much in demand I'm afraid. Some of these have been listed over and over. Yours has also clearly been refinished. I'm not sure if that affects the value positively or negatively.