I have has this prototype over 15 years. I believe it was done during selection of the new US Dollar coins. Does anyone have information pertaining to these? I had saw online that Dan Carr had made these types of coins. I believe she is Bessie Coleman. http://www.smalldollars.com/dollar/page17a.html
He is a member here, but you can also reach him here http://www.dc-coin.com/ go to the bottom of the page and click contact us
That coin is based on the Bessie Coleman dollar design proposal that Dan Carr presented in-person to the Dollar Coin Design Advisory Committee in 1998. Several versions were produced by Mr. Carr. Yours looks like the proof-like brass version. Mintage: 650 Diameter: 27mm Original price: $10 More info here: http://www.smalldollars.com/dollar/page17a.html And here: http://www.moonlightmint.com/dc-coin_dollars_list.htm