The ornamental design for a fireplacelittanno, as shown and described.
FIG. 1 is a front perspective view of a fireplace littanno showing my new and original design;
FIG. 2 is a front side view elevation thereof;
FIG. 3 is a left side view elevation thereof;
FIG. 4 is a right side view elevation thereof;
The broken lines showing of environment are for illustrative purposes only and form no part of the claimed design.
The bottom and back sides of the fireplace littanno form no part of the claimed design. The broken lines and the area within the broken lines represent unclaimed environmental subject matter.