Vintage Celtic Irish Trinity Knot Tree of Life Pendant - Necklace Sterling Silver 925 w Chain

Very cool and unique sterling silver Celtic tree of life pendant/necklace. There are Trinity knots within hearts to make up this tree. Please see photos for approximate measurements this comes with a sterling silver chains that is approximately 23.75 Inches long. The pendant is signed with a copyright symbol 925 as well as a hallmark of some sort that I cannot make out.