The ornamental design for a dress dogcollar, as shown and described.
FIG. 1 is a perspective view of a dress dog collar shown in position around a dog's neck, with the neck strap portion folded downward;
FIG. 2 is a right side elevational view of the dress dog collar in an unfolded, flat configuration;
FIG. 3 is a bottom plan view of the dress collar shown in FIG. 2;
FIG. 4 is a top plan view of the dress collar shown in FIG. 2;
FIG. 5 is a front elevational view of the dress collar shown in FIG. 2;
FIG. 6 is a rear elevational view of the dress collar shown in FIG. 2; and,
FIG. 7 is a left side elevational view of the dress dog collar in an unfolded, flat configuration.
The broken line showing of a dog's head in FIG. 1 is for illustrative purposes only and forms no part of the claimed design. The dashed lines on the dress dog collar represent stitching and form part of the claimed design.