Prices Please....lou Rawls , Melvin Davis , Freddie Hubbard

Hi im looking to sell these 3 soon. Just wanted to know what kind of price to put on them;

MELVIN DAVIS - YOU MADE ME OVER - INVICTUS DEMO

LOU RAWLS - WHEN LOVE GOES WRONG - CANADIAN CAPITOL

FREDDIE HUBBARD / JEANIE TRACY - YOUR GONNA LOSE ME - FANTASY

Thanks in advance

Daz