The ornamental design for a merchandisingholder for winebottles, as shown and described.
FIG. 1 is a perspective view of one side of a merchandising holder for wine
bottles showing our new design with the design being symmetrical with
other sides being mirror images of the side shown;
FIG. 2 is a frontal elevation view thereof; and,
FIG. 3 is a top plan view thereof.
The broken line showing of a sign and wine bottle in FIG. 2 or illustrative
purposes only and forms no part of the claimed design.