Hello friend .... only five possible candidates to be the representative of its beautiful 19th-century medallion.
The first three are a single god who was worshiped by three different cultures with three different names:
The Egyptians

called it (Imhotep), The Greeks called it (Esculapius) and the Romans called it (Asclepius):
Formerly the god of the Pharmaceutical and for that reason always appears near a poisonous snake, the god probiene of Egypt and the Egyptians as depicted with the cap characteristic of the Egyptian pharaohs called "Nemes" (in his medallion are a snake and a Pharaoh with this hat). The serpent of Asclepius (Aesculapius to the Romans) is an ancient symbol associated with astrology, the Greek god Asclepius and healing the sick through medicine. It consists of a snake entwined around a long pole. Symbol name derives from its early and extensive association with Asclepius, son of Apollo, who was a practitioner of medicine in ancient Greek mythology. His attributes, the serpent and staff, sometimes separately in antiquity, are combined in this symbol. The rod of Asclepius also represents the constellation Ophiuchus (serpentarius Ophiuchus), considered as the thirteenth sign of the zodiac.
The rod was long a symbol of the medical profession, and the snake skin that changes periodically, symbolizes, therefore, rejuvenation. He was instructed in medicine by the centaur Chiron.
It is common to confuse the mistake this rod with the caduceus of Hermes (Mercury to the Romans). The difference and uniqueness of the staff of Aesculapius is that no wings and only rises by a snake stick. The snake was seen in many cultures capable of resurrecting the dead and Asclepius in their quest of healing was resurrecting dead people he saw (eg Theseus's son Hippolytus Asclepius / Aesculapius revived him with a miraculous herb that he took the snake ) Pluto, king of the underworld, upset by the reduction of those sent to his kingdom was to complain about the use made of the serpent Aesculapius, and as far as Solomon, Zeus decided to impair the ability of the resurrection and giving it only the healing. Hence its close relationship with the medical world.
The fourth candidate is (PHARAOH)

which appears in the Old Testament to Moses oel fifth candidate possibly the same (MOSES) with the Egyptian prince clothing as usual:
At that time, Moses having eighty years old and Aaron eighty-three, the Lord decided that the Israelites had to leave Egypt and told Moses that he and his brother Aaron had to speak to the Pharaoh to let them go. Of course, he warned, he, Yahweh, was going to do everything possible so that the Pharaoh did not let them go. Thus Yahweh punish Egypt would have to recognize their power. But I also told them to do a miracle in front of the sovereign, and that was that when the brothers went to court Aaron threw down his staff and it became a serpent. Pharaoh did not like much: he called his wise men and told them to do the same, which made loans rates. He had too many snakes in the court; clear that he had been the rod of Aaron devoured those were the staffs of the magicians. But even with those. As the Lord said, Pharaoh, undeterred. They said they had no permission to go ...... etc.
If you put together three objects in his medallion (The snake, the Egyptian hat and carrying off the medallion hanging Pharaoh ......) can find the answer to enigma/question may be five different candidates:
1_ IMHOTEP (worshiped by ancient Egyptians, was the god of medicine, architecture and writing)
2_ ESCULAPIUS (worshiped by the Greeks was the god of medicine)
3_ ASCLEPIUS (adored by the Romans was also the god of medicine)
4_ EGYPTIAN PHARAOH (during the passage of the 10 biblical plagues)
5_ MOSES (represented by the Egyptian clothes, Moses was transformed into a snake and his life in Egypt dressed as it appears on the medallion)
I personally think that this is a cover to pharmaceutical containers, which featured the god of the pharmaceutical and snake so characteristic, in which drugs were stored were sold by weight.
... but could be anything .....
sorry for my bad English.......
GREETINGS !!
