Expansion bracelet
FIG. 1 is a top plan view of an expansion bracelet showing my new design; 
     FIG. 2 is a bottom plan view thereof with the central portion broken away for ease of illustration; 
     FIG. 3 is a side elevational view thereof; and, 
     FIG. 4 is a partial enlarged top plan view showing several adjacent top shells thereof. 
     The broken line showing of end links in FIGS. 1-3 is for illustrative purposes only and forms no part of the claimed design.