Ancient Greek Coin Medallion Necklaces. Larissa, HorseGrecian Medallions mythology, history and symbolism. These medallions were cast from ancient coins into solid bronze using a lost wax casting method. The imagery on the coins represent different meanings Larissa is a Goddess of nature and represents stability, being grounded with herself and being connected with nature and the earth. She represents, awareness. On the other side of the coin is Larissas horse, which represents strength. Ancient Greek