The ornamental design for a storage and displaycase for comestibles, as shown and described.
FIG. 1 is a perspective view of a storage and display case for comestibles showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a left side elevational view thereof, the right side elevational view being identical to FIG. 3;
FIG. 4 is a front elevational view thereof, the rear elevational view being identical to FIG. 4;
FIG. 5 is a bottom plan view thereof, the broken line portions forming no part of the claimed design;
FIG. 6 is an exploded perspective view thereof; and,
FIG. 7 is an exploded, perspective view of a storage and display case for comestibles of FIG. 1 with an associated cover removed from a base thereof, and comestibles attached to the base shown in broken lines and forming no part of the claimed design.