The ornamental design for phonograph album cover, as shown and described.
FIG. 1 is a front and right side perspective view of a phonograph album cover of our design, the phonograph album cover having an outer flap and an inner flap, both shown in closed positions;
FIG. 2 is a front and right side perspective view of the phonograph album cover of FIG. 1 showing the outer flap in a partially opened position and the inner flap in the closed position;
FIG. 3 is a front and right side perspective view of the phonograph album cover of FIG. 1 showing both the outer flap and the inner flap in partially opened positions;
FIG. 4 is a top view of the phonograph album cover of FIG. 1 showing both the outer flap and the inner flap in closed positions, the bottom view being a mirror image of the top view;
FIG. 5 is a top view of the phonograph album cover of FIG. 1 showing the outer flap in a fully opened position and the inner flap in a fully closed position;
FIG. 6 is a right side view of the phonograph album cover of FIG. 1 showing both the outer flap and the inner flap in closed positions;
FIG. 7 is a left side view of the phonograph album cover of FIG. 1 showing both the outer flap and the inner flap in closed positions;
FIG. 8 is a front view of the phonograph album cover of FIG. 1 showing both the outer flap and the inner flap in closed positions, the back view being a mirror image of the front view;
FIG. 9 is a front view of the phonograph album cover of FIG. 1 showing both the outer flap and the inner flap in approximately one-quarter opened positions; and,
FIG. 10 is a front view of the phonograph album cover FIG. 1 showing both the outer flap and the inner flap in approximately two-thirds opened positions.