Fig. 1.1is a front perspective view of an advertising board;
Fig. 1.2is a back perspective view thereof;
Fig. 1.3is a front view of an advertising board shown in another alternate configuration of use;
Fig. 1.4is a back view shown in another alternate configuration of use;
Fig. 1.5. is a back view of 1.3; and,
Fig. 1.6Is a front view of 1.4.
The top, bottom, right-side and left-side of the advertising board are flat and unornamented.
The broken line portion of the figure drawings is included to show portions of the article that form no part of the claimed design.