FIG. 1 is a right-side elevational view of a paua shell heel stem showing my new design;
FIG. 2 is a left-side elevational view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a top left perspective view thereof;
FIG. 8 is a bottom left perspective view thereof;
FIG. 9 is another bottom left perspective view thereof;
FIG. 10 is a bottom right perspective view thereof;
FIG. 11 is a top right perspective view thereof;
FIG. 12 is a top rear perspective view thereof;
FIG. 13 is a bottom rear perspective view thereof; and,
FIG. 14 is a bottom front perspective view thereof.