The mold would have been used to produce a relief plaque that was decorated with a griffin seizing a goat. It represents an early version of the scene that found popularity on terracotta appliqués used in tombs, examples of which are displayed here.
McClees, Helen and Christine Alexander. 1933. The Daily Life of the Greeks and Romans: As Illustrated in the Classical Collections, 5th ed. p. 121, New York: The Metropolitan Museum of Art.
Weinberg, Gladys Davidson. 1952. Corinth XII: The Minor Objects. no. 47, p. 62, pl. 143 d, Princeton: American School of Classical Studies at Athens.