National Baptist Convention held at the Calvary Baptist Church
View of a crowd of men, women and children gathered around circular pool as five people are baptized by a minister. Calvary Baptist Church in the background. Handwritten on front: Evangelistic Baptism at the National Baptist Convention by Rev. B.J [undecipherable] at Calvary Baptist Church, Detroit, Mich. Sept. 11, 1927, Rev. J.H. Mastin, Pastor. Jackson Photo."