Poster celebrating Red Earth Festival 2006. Signed.
Poster celebrating Red Earth Festival 1989. Signed, numbered 476/1000
Signed, numbered 332/1000
Poster celebrating Red Earth Festival 1987. Signed, numbered 676/1000
Poster commemorating Red Earth Festival 1990. Signed, numbered 117/500
Poster advertising the Oklahoma Cowboy Poet Gathering 1991. Signed, numbered 1/20
Poster celebrating Red Earth Festival 1988. Signed, numbered 534/1700
Poster celebrating Red Earth Festival 1994. Signed, numbered 106/500
Poster celebrating Red Earth Festival 1991. Signed by the artist and inscribed "To Col. Taylor, Your Friend Bill Prokopiof"
