A rare antique silver & malachite wax seal desk stamp. Featuring a finely detailed 3-dimensional figure of a knight in full armor and chain mail. Carrying a shield with the head of Medusa in one hand and the other carrying a mace, at his hip is a long sword. Gilt vermeil accents to the armor. Resting on an exquisite malachite stone base. The matrix bearing interlaced initials SA or AS. Not marked but tests as silver. In overall good condition with general wear and surface scratches commensurate with age and use. Measures 3 1/8" height x 3/4" square.