Tetradrachm of Plato. Obv: Diademed bust of Plato. Rev: Sun divinity Helios, riding a four-horse chariot. Greek legend: ΒΑΣΙΛΕΩΣ ΕΠΙΦΑΝΟΥΣ ΠΛΑΤΩΝΟΣ (BASILEOS EPIPHANOYS PLATONOS) "Of King Plato, Manifestation of God on earth". Coin marked MZ (bottom left of reverse), which possibly is a dating which equals year 47 Yavana era = 138 BCE.
The Sūryaprajñaptisūtra, an astronomical work written in Jain Prakrit language (in Devanagari book script), c. 1500
The Yavanarajya inscription, dated to "year 116 of Yavana hegemony", probably 70 or 69 BCE. Mathura Museum.
close-up pictures

Harry Falk and others have suggested that the Yavana era actually started in 174 BCE, based on a reevaluation of the Azes era which is now thought to have started in 47/46 BCE.

- Yavana era

The Azes era was recently connected to the Yavana era thanks to the Rukhana reliquary inscription.

- Azes era
Tetradrachm of Plato. Obv: Diademed bust of Plato. Rev: Sun divinity Helios, riding a four-horse chariot. Greek legend: ΒΑΣΙΛΕΩΣ ΕΠΙΦΑΝΟΥΣ ΠΛΑΤΩΝΟΣ (BASILEOS EPIPHANOYS PLATONOS) "Of King Plato, Manifestation of God on earth". Coin marked MZ (bottom left of reverse), which possibly is a dating which equals year 47 Yavana era = 138 BCE.

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Vijayamitra riding in armour, holding a whip. Like many other Indo-Scythians, Vijayamitra did not issue portraits.

Vijayamitra

Indo-Scythian king of the Apracas who ruled in the north-western region of ancient India, located in Bajaur of modern Pakistan.

Indo-Scythian king of the Apracas who ruled in the north-western region of ancient India, located in Bajaur of modern Pakistan.

Vijayamitra riding in armour, holding a whip. Like many other Indo-Scythians, Vijayamitra did not issue portraits.
Silver coin of Vijayamitra in the name of Azes. Buddhist triratna symbol in the left field on the reverse.
Apracaraja Vijayamitra.
Apracaraja Vijayamitra.

Vijayamitra is mentioned in a recently discovered inscription in Kharoshthi on a Buddhist reliquary (the "Rukhana reliquary", published by Salomon in 2005), which gives a relationship between several eras of the period, and especially gives confirmation of a Yavana era in relation to the Azes era:

Rukhuna reliquary

Scythian reliquary which was dedicated and inscribed in 16 CE by Rukhuna, Queen of Indo-Scythian king Vijayamitra .

Scythian reliquary which was dedicated and inscribed in 16 CE by Rukhuna, Queen of Indo-Scythian king Vijayamitra .

The Darunta reliquary from Passani Stupa No.2 is structurally similar to the Rukhuna reliquary, especially with the inside compartments.<ref name="RS">{{cite book |last1=Salomon |first1=Richard |title=A New Inscription dated in the "Yona" (Greek) Era of 186/5 B.C. |date=2005 |publisher=Brepols |isbn=978-2-503-51681-3 |pages=359–400 |url=http://www.brepols.net/Pages/ShowProduct.aspx?prod_id=IS-9782503516813-1}}</ref>
Another similar example: the Bimaran casket. This reliquary is inscribed on the outside, rather than the inside.
Broadly similar stone containers with compartments from Ai-Khanoum, 2nd century BCE.<ref name="HF">{{cite book |last1=Falk |first1=Harry |title=Buddhistische Reliquienbehälter aus der Sammlung Gritli von Mitterwallner |date=2015 |page=135 |url=https://www.academia.edu/20438939 |language=en}}</ref>
Stone vessels (pyxides) from the Temple with niches, Sanctuary of Ai-Khanoum, 3rd-2nd century BCE.

The inscription on the reliquary, also called the Bajaur reliquary inscription, was published by Richard Salomon with a photograph in 2005, and gives a relationship between several eras of the period, and especially a confirmation of a Yavana era (Yoṇaṇa vaṣaye) in relation to the Azes era, that is "Azes era= Yavana era - 128 years".

Coin of Azes I. Obv: Azes I in military dress, on a horse, with couched spear. Greek legend: ΒΑΣΙΛΕΩΣ ΒΑΣΙΛΕΩΝ ΜΕΓΑΛΟΥ ΑΖΟΥ "of the Great King of Kings Azes". British Museum.

Azes I

Indo-Scythian ruler who ruled around c. 48/47 BCE – 25 BCE with a dynastic empire based in the Punjab and Indus Valley, completed the domination of the Scythians in the northwestern Indian subcontinent.

Indo-Scythian ruler who ruled around c. 48/47 BCE – 25 BCE with a dynastic empire based in the Punjab and Indus Valley, completed the domination of the Scythians in the northwestern Indian subcontinent.

Coin of Azes I. Obv: Azes I in military dress, on a horse, with couched spear. Greek legend: ΒΑΣΙΛΕΩΣ ΒΑΣΙΛΕΩΝ ΜΕΓΑΛΟΥ ΑΖΟΥ "of the Great King of Kings Azes". British Museum.
Coin of Azes with Demeter and Hermes.

Azes's most lasting legacy was the foundation of the Azes era.

It is believed that the Greek era may have begun in 173 BCE, exactly 300 years before the first year of the Era of Kanishka.