An ornamentaldesign for a jewelry steamer, as shown and featured in the accompanying drawings.
FIG. 1 is a left, front, top perspective view of a jewelry steamer in accordance with the present invention;
FIG. 2 is a right, front, top perspective view thereof;
FIG. 3 is a left, front, bottom perspective view thereof;
FIG. 4 is a left elevation view thereof; and,
FIG. 5 is a rear elevation view thereof.
In the drawings, the broken lines in FIGS. 1-5 depict portions of the design that form no part of the claim. The left and right sides of the design are a mirror images.