The ornamental design for a rotatingmodularalbumholder and supporting base therefor, as shown and described.
FIG. 1 is a top plan view of a rotating modular album holder and support
base therefor showing my new design;
FIG. 2 is a side elevational view thereof;
FIG. 3 is a bottom plan view thereof; and
FIG. 4 is an enlarged scale isometric view of one module of the rotating
modular album holder portion of the rotating modular album holder and
supporting base therefor of FIG. 1.