The ornamental design for a bellman's cart, as shown.
A portable cart used for transporting luggage and the like.
FIG. 1 is a perspective view of a bellman's cart showing my new design;
FIG. 2 is a front plan view of a bellman's cart;
FIG. 3 is a rear plan view of a bellman's cart;
FIG. 4 is a right side plan view of a bellman's cart;
FIG. 5 is a left side plan view of a bellman's cart;
FIG. 6 is a bottom plan view of a bellman's cart; and,
FIG. 7 is a top plan view of a bellman's cart.
The broken line showing of the wheels and elements on the bottom of the cart is included for the purpose of illustrating environment and forms no part of the claimed design.