US D250031 S
Abstract available in
FIG. 1 is a perspective view of a perpetual calendar showing my new design;
FIG. 2 is a front elevational view, the opposite side thereof being plain and unornamental;
FIG. 3 is a right side elevational view;
FIG. 4 is a bottom plan view; and
FIG. 5 is a perspective view of a modified form of the perpetual calendar, the opposite side being plain and unornamental.