The ornamental design for a bottlecaplifterexteriorsurface, as shown and described.
FIG. 1 is a perspective view of a bottle cap lifter exterior surface showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a left side elevation view thereof;
FIG. 4 is a right side elevation view thereof;
FIG. 5 is a front elevation view thereof, the rear elevation view being a mirror image thereof;
FIG. 6 is a bottom plan view thereof; and,
FIG. 7 is a perspective view thereof, shown in an opened position.
The broken lines illustrating a hollow pivot pin connecting the bottom and top portions of the design, a hole through the top and bottom portions of the design, and the interior of the bottom portion of the design form no part of the claimed design.