Avesta word for "praise-song" (Bartholomae: "Lobgesang"); that word is not actually attested in any text. The surviving texts of the Avesta, as they exist today, derive from a single master copy produced by Sasanian Empire-era (224–651 CE) collation and recension. That master copy, now lost, is known as the 'Sassanian archetype'. The oldest surviving manuscript ("K1") of an Avestan language text is dated 1323 CE. Summaries of the various Avesta texts found in the 9th/10th century texts of Zoroastrian tradition suggest that a significant portion of the literature in the Avestan language has been lost. Only about one-quarter of the Avestan
Avesta (locality) in 1641 as a town under the city of Falun, and in 1644 a copper mint was built. However, the privileges were withdrawn in 1688 due to complaints of competition from its neighbour, mainly Falun. Copper coins were continued to be minted until 1831, and the copper works was in function until 1869. Full city rights were regranted in 1919. The designated coat of arms depict the signs for copper and iron. The town is located by the Dalecarlia River ("Dalälven"). The railway junction Krylbo is situated in Avesta. The following sports clubs are located in Avesta: Avesta (locality) Avesta