Stackable packaging container
FIG. 1 is a perspective view of a stackable packaging container showing my new design; 
     FIG. 2 is a top plan view thereof; 
     FIG. 3 is a side elevational view thereof, the opposite side being identical; 
     FIG. 4 is an end elevational view thereof, the opposite end being identical; 
     FIG. 5 is a bottom plan view thereof; and 
     FIG. 6 is a cross-sectional view taken along line 6--6 of FIG. 2. 
     The fragmentary showing of surface ornamentation on FIGS. 3, 4 and 5 is understood to be continuous on the entire exterior surface of the tray portion in the manner shown on FIG. 1.