Shiva is one of the oldest dieties in the Indian pantheon of Gods. He was first depicted on Indus valley seals as Pashupata. The first depictions are of him in a yogic pose, with a horn crown over his head. He is surrounded by animals including a unicorn. Mukha lingas are found across the country. the Ekamukha linga, dvimukha linga chatura mukha linga, so on and so forth.
His later sculptures depictions his various exploits. He is depicted in his symbolic form, the phallus in most temples in the Garba Griha. His human form adorns the outer walls. This sculpture is from the early 5th cen AD, the place - cave 4, udayagiri, MP.
This is a single faced linga, The rock-cut caves at Udayagiri seem to have been the focus of a complex mixture of Shiva worship (interior), Vishnu worship (exterior), sun worship, and astronomical activity including the prediction of monsoons.
His jattas, long ear lobes(like buddha) and his third eye!!!