The ornamental design for a pair of prostheses, as shown and described.
The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
1. Pair of prostheses
1.1 Three-quarter view; 1.2 side view; 1.3 top view; 1.4 rear view; 1.5 front view; 1.6 perspective top view; 1.7 bottom view.
The portions of the “pair of prostheses” shown by coloring form no part of the claimed design.