CLAIM I claim the ornamental design for a safety razor holder, as shown and described.
FIG. 1 is a top plan view of a safety razor holder of my new design;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a front elevational view thereof, the rear elevational view being a mirror image;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a left side elevational view thereof; and,
FIG. 6 is a perspective view thereof.
The broken lines connecting the outer solid lines of the safety razor holder represent the bounds of the claim. The remaining broken lines illustrate portions of the article. None of the broken lines forms part of the claimed design.