What is the cost of the book the secret teachings of the ages golden anniversary edition By Manly P. Hall?

it depends on the version you have and the publishing year.. and condition... the earlier the better.. and it if signed thats a bonus.. ex. 1928 1st editions can range from 1000-6000 depending on condition.. i had several from 1936, 1945, 1972, 1977,1988.. and there are also the jubilee and goldern anniversary editions..