US D285313 S
FIG. 1 is a perspective view of a book spine showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a front elevational view thereof; and
FIG. 5 is a side elevational view thereof.
The broken line showing of the binder in FIG. 1 is for illustrative purposes only and forms no part of the claimed design.