This 10-14k Gold Solid Pendant is a stunning piece of Victorian mourning jewelry, featuring a square-shaped design with a monogram "H" engraving. The pendant is made of yellow gold with a purity of 10-14k, showcasing the intricate craftsmanship and attention to detail typical of jewelry from the Victorian era. As an original, antique piece, it holds historical significance and is a unique addition to any jewelry collection or a thoughtful gift for someone with a love for vintage and unique items. So much detail in this piece is still so visible . Both sides have the monogram.Not hollow. Tests between 10 and 14k with acid testing. Stays solid with 10k acid. Fades just a little bit with 14k acid and completely dissolved with 18k acid