The ornamental design for a combinationteether and bottlecollar set, as shown and described.
FIG. 1 is a front perspective view of the combination teether and bottle
collar set showing my new design;
FIG. 2 is a rear perspective view thereof; and,
FIG. 3 is a bottom plan view of one of the collars removed from the teether
and positioned on a baby bottle, the broken line partial showing of a baby
bottle for illustrative purposes only and forming no part of the claimed
design.