The ornamental design for a railing, shown and described.
FIG. 1 is a fragmentary right side elevational view of a railing showing my
new design, the broken lines showing the ends of the railing and partial
banisters are for illustrative purposes only and form no part of the
claimed design;
FIG. 2 is a fragmentary top plan view thereof;
FIG. 3 is a fragmentary left side elevational view thereof;
FIG. 4 is a fragmentary bottom plan view thereof; and,
FIG. 5 is an end elevational view the opposite end being identical thereto,
the railing is of constant cross-section throughout its length.