The ornamental design for a combined metalbottle and cap, as shown and described.
FIG. 1 is a front view of a combined metal bottle and cap showing my new
design, the rear view being the same;
FIG. 2 is a top plan view thereof; and,
FIG. 3 is a bottom plan view thereof.
The portions of the base of the combined metal bottle and cap that are not
shown in the drawings or described in the specification do not form part
of the claimed design.