The ornamental design for a two-piece mobile telephone folio holder, as shown and described.
FIG. 1 is a perspective view of a two-piece mobile telephone folio holder showing my new design;
FIG. 2 is an exploded perspective view thereof;
FIG. 3 is another perspective view, where the phone shown in broken line illustrates the portions of the design that form no part of the claim thereof;
FIG. 4 is a top view thereof, where the phone resting pad piece shown in a different position;
FIG. 5 is a bottom view thereof;
FIG. 6 is a front view thereof;
FIG. 7 is a back view thereof; and,
FIG. 8 is a side view thereof.
The broken lines shown on the surface of the two-piece mobile telephone folio holder throughout the views are understood to represent stitching.