Vending machine
FIG. 1 is a top and right front perspective view of a vending machine showing our new design; 
     FIG. 2 is a front elevational view thereof; 
     FIG. 3 is a front elevational view of another embodiment of our new design of FIGS. 1-2; 
     FIG. 4 is a right side elevational view of FIGS. 2 and 3, the left sides being substantially similar thereto. 
     The broken line showings of FIGS. 1-3 are environmental only and form no part of the claimed design. 
     The top, bottom, and rear of the vending machine design of the present invention are substantially rectangular, flat, and unornamented and the undisclosed left side is substantially the same in appearance as the right side of FIGS. 1 and 4.