mid-century 14K yellow gold "HOPE" box 14x8.3x7.5mm 2.2gm

One mid-century 14K yellow gold charm, it is a chest box, it read "HOPE" in front, (the letter E worn out). The chest may be able to open, it has hinges flat handle in front, but I unable to open it. It measures 14 x 7.5 x 8.3mm, weight 2.2gm, hallmark 14K