The ornamental design for a combinedshirt and apron, as shown and described.
FIG. 1 is a front perspective view of a combined shirt and apron showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a back elevational view thereof;
FIG. 6 is a right side elevational view thereof; and,
FIG. 7 is a bottom plan view thereof.
In FIG. 1, the longer broken lines showing a longer sleeve length, a shirt collar, an open shirt neck and buttons are included only for the purpose of illustrating environment, and form no part of the claimed design. The shorter broken lines within the claimed areas in the views represent stitching. None of the broken lines form any part of the claimed design.