The ornamental design for a combinedbox and holder, as shown and described.
FIG. 1 is a perspective view from above of the combined box and holder.
FIG. 2 is a perspective view from below of the combined box and holder.
FIG. 3 is a front elevation of the combined box and holder, the back elevation being the same as the front elevation.
FIG. 4 is a right elevation of the combined box and holder, the left elevation being the same as the right elevation.
FIG. 5 is a plan view of the combined box and holder.
FIG. 6 is an exploded perspective view from below of the combined box and holder in a partially opened configuration.
FIG. 7 is an exploded perspective view from above of the combined box and holder in a fully opened configuration.
FIG. 8 is a side elevation of the holder portion of the combined box and holder, shown separately for ease of illustration. All four side elevations are identical; and,
FIG. 9 is a bottom view of the holder portion of the combined box and holder, shown separately for ease of illustration.
In the drawings, the dashed lines near the periphery of the surfaces depict environmental features where graphic and/or textual illustration may be displayed, and form no part of the claimed design.