Career
Bopearachchi has suggested that he ruled from ca. 115 to 95 Bachelor of Civil Engineering in the western parts of the Indo-Greek realms, whereas R. C. Senior places him around 130 to 120 Bachelor of Civil Engineering and also in eastern Punjab (which seems better supported by coin findings). Senior does however believe that he ruled in tandem with King Lysias.
Antialcidas may have been a relative of the Bactrian king Heliocles I, but ruled after the fall of the Bactrian kingdom.
Several later kings may have been related to Antialcidas: Heliokles II, Amyntas, Diomedes and Hermaeus all struck coins with similar features. Though there are few sources for the late Indo-Greek history, Antialcidas is known from an inscription left on a pillar (the Heliodorus pillar), which was erected by his ambassador Heliodorus at the court of the Shunga king Bhagabhadra at Vidisha, near Sanchi.
A part of the inscriptions says:
"This Garuda-standard was made by order of the Bhagavata. Heliodoros, the son of Dion, a man of Taxila, a Greek ambassador from King Antialkidas, to King Bhagabhadra, the son of the Princess from Benares, the saviour, while prospering in the fourteenth year of his reign."
Otherwise, Antialcidas is also known through his plentiful coins.
He issued a number of bilingual Indian silver types: diademed, wearing a helmet with bull"s horns or a flat kausia.
He also appears throwing a spear. According to other interpretations the elephant was the symbol of the city of Taxila. There is a bronze which features the obverse of Lysias and the reverse of Antialcidas.
This was interpreted by Tarn and other earlier scholars as though the two kings might have forged some kind of alliance, but later, a bronze with the opposite arrangement was foundation
Modern scholarship has however largely accepted that what was originally supposed to be a "joint issue" was in fact a mule. In other words, a mistake occurred in the process of overstriking the original coin, and it was accidentally issued with both king"s standards.