Photo frame

[0001]FIG. 1 is a perspective view of a photo frame showing the claimed design;

[0002]FIG. 2 is another perspective view thereof;

[0003]FIG. 3 is a front elevational view thereof;

[0004]FIG. 4 is a rear elevational view thereof;

[0005]FIG. 5 is a left side view thereof;

[0006]FIG. 6 is a right side view thereof;

[0007]FIG. 7 is a top plan view thereof;

[0008]FIG. 8 is a bottom plan view thereof;

[0009]FIG. 9 is a perspective view of the photo frame in a fully folded configuration; and,

[0010]FIG. 10 is another perspective view of the photo frame in a transmutative configuration.

[0011]The broken lines depict portions of the photo frame that form no part of the claimed design.