Pentacles

Photo of Pentacles Hexagram is copied from Wikipedia.
You can read now online the whole book titled The Key of Solomon (Clavicula Salomonis) Edited by S. Liddell MacGregor Mathers and Revised by Joseph H. Peterson. At the end of the book you'll find a few pentacles (amulets) with hexagrams and captions such as

The sixth and last pentacle of the Moon.-- This is wonderfully good, and serveth excellently to excite and cause heavy rains, if it be engraved upon a plate of silver; and if it be placed under water, as long as it remaineth there, there will he rain. It should be engraved, drawn, or written in the day and hour of the Moon