The ornamental design for a decorative candleholder, as shown and described herein.
FIG. 1 is an isometric view of a top, front, and sides of an ornamental design for a decorative candle holder;
FIG. 2 is plan view of the decorative candleholder shown in FIG. 1;
FIG. 3 is an elevational view of a side of the decorative candle holder of FIG. 1, the rear side, left side, and right side elevational views being substantially identical thereto; and,
FIG. 4 is a bottom elevational view of the decorative candle holder of FIG. 1.
All features shown in dashed lines are for context only and do not form part of the claimed design. The broken-line pattern in the form of an annular cross-hatch and a radial swirl pattern shown in FIGS. 1 and 2 comprise surface indicia and are shown merely for environmental context and do not form part of the claimed design. Further, a base portion of the candle holder is shown merely for environmental purposes and does not form part of the claimed design.