The ornamental design for a produce holder, as shown and described.
FIG. 1 is a front elevational view of a produce holder for holding fruits
and vegetables illustrating my new design therefore and with a hammock and
hanger structure for holding the produce shown as environment in phantom
line and do not form any part of the claimed design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof; and,
FIG. 4 is a side elevational view thereof, the opposite side being a
identical mirror image thereof.