Silver Filigree Pendant With Mystic Picture Painted On A Natural Stone

One of a kind vintage large oval pendant. With hand painted natural stone. Misty Lake Oriental Asian motif. Possibly Chinese, Japanese, Vietnamese, or Korean. Beautiful filigree details , silver color metal. Not stamped, possibly silver plated. A couple of small surface dents on the left side, as shown in the closeup picture. They are not really noticeable when the pendant is being worn.