Pokrovka is a village in the Orenburg region of Russia on the border with Kazakhstan, on the left bank of the Ileka River. Since 1911, a dozen burial mounds with hundreds of burials have been discovered in the vicinity of the village.
The burial mound [kurhan] 2 is dated to the 5th century BCE.
- Комплексы с предметами ахеменидскогокруга могильника Покровка, М.Ю. Трейстер, М.С. Шемаханская, Л.Т. Яблонский https://www.academia.edu
[Complexes with objects of the Achaemenid circle of the Pokrovka burial ground, M. Treister, M. Shemakhanskaya, L. Yablonsky] - Heritage of Kazakhstan, Almaty 2001, Vol. I
- “Amazonka” from Prokhorovka, an article https://sci.house/arheologiya-scibook/amazonka-prohorovki-109189.html