Flask

Description

FIG. 1 is a top plan view of a flask showing my new design;

FIG. 2 is a top and side perspective view thereof;

FIG. 3 is a front, rear and side elevational view thereof; and,

FIG. 4 is a bottom plan view thereof.

The broken line showing of the central bottom surface is for illustrative purposes only and forms no part of the claimed design.

Claims

The ornamental design for a flask, as shown and described.