A reconstructed four-horned altar from Beersheba, dated from the 8th century BC, and discovered in the early 1970's.
It is a large altar, standing 63 inches (1.6 m) high, which is 3 cubits, the height of the altar in the tabernacle (Ex 27:1). It is made of well fitted hewn stones, rather than the unhewn stones commanded in the OT (Deut 27:5-6). However, each of the four horns is of one piece with the altar, as God commanded (Ex 27:2).
This was an example of the type of altar used for worshipping gods such as Baal or Asherah, but it could also have been used to worship Yahweh on a high place.
This altar had been demolished and the stones reused to construct a wall. This suggests that this altar had been destroyed during the reforms conducted by King Hezekiah of Judah (2 Kg 18:4-5).
On the stone below the horn on the right hand side is an engraving of a serpent, probably a symbol of fertility. Hezekiah destroyed the bronze serpent originally made by Moses (Num 21:4-9) because the people were offering sacrifices to it (2 Kg 18:4).