"It is probably traceable to a common cultural inheritance, stretching from the Mediterranean to the Ganges valley, and manifested by the sepulchres, conical mounds of earth on a circular foundation, of about the eighth century B.C. found in Eritrea and Lydia." Rao, P. R. Ramachandra (2002). Amaravati. Youth Advancement, Tourism & Cultural Department Government of Andhra Pradesh. p. 33.
Commenting on Gisbert Combaz: "In his study L'évolution du stupa en Asie, he even observed that "long before India, the classical Orient was inspired by the shape of the tumulus for constructing its tombs: Phrygia, Lydia, Phenicia ." in Bénisti, Mireille; K, Thanikaimony (2003). Stylistics of Buddhist art in India. Indira Gandhi National Centre for the Arts. p. 12. ISBN9788173052415.
cngcoins.com
Weidauer Group XVII, 108 var. Triton XXI (2018) no. 497, auctioned for USD 2750.
This particular coin does not bear an inscription, but it is from the same punch as contemporary coins which have the inscription WALWEL. (Classical Numismatics Group).
Interpreted as the given name Kukaś, equivalent to Gyges
Wallace, “KUKALIṂ”, pl. 1, 1–4 = Weidauer Group XVIII, Triton XV no. 1241 (3 January 2012).
Auctioned in 2013 for CHF 25000. (Classical Numismatics Group)
Leloux, Kevin (December 2016). "The Battle of the Eclipse". Polemos: Journal of Interdisciplinary Research on War and Peace. 19 (2). Polemos. hdl:2268/207259. Retrieved 30 April 2019.
Leloux, Kevin (December 2016). "The Battle of the Eclipse". Polemos: Journal of Interdisciplinary Research on War and Peace. 19 (2). Polemos. hdl:2268/207259. Retrieved 30 April 2019.