Display holder
FIG. 1 is a bottom perspective view of a display holder showing my new design, with the clamp portion shown in open condition; 
     FIG. 2 is a front perspective view thereof, with the broken lines showing for illustrative purposes only and forming no part of the claimed design; 
     FIG. 3 is a left side elevational view thereof, with the opposite side being a mirror image; 
     FIG. 4 is a rear elevational view thereof; 
     FIG. 5 is a top plan view thereof; and, 
     FIG. 6 is a bottom plan view thereof.