Washbasin

Fig. 1 . 1 is a front elevation view showing our new design;

Fig. 1 . 2 is a rear elevation view thereof;

Fig. 1 . 3 is a left side elevation view thereof;

Fig. 1 . 4 is a right side elevation view thereof;

Fig. 1 . 5 is a top plan view thereof; and

Fig. 1 . 6 is a top perspective view thereof.

The broken lines depict features of the washbasin that form no part of the claimed design.