Tiers de Sou d'Or Pubblico Deposited
The name given to the gold Triens when adopted by the nations of Western Europe. It is found in the Merovingian coinage, struck at Paris, Marseilles, Duurstede, Lyons, Viviers, etc., and of somewhat larger size, among the Visigoths of Spain from the sixth to the eighth century, with the mint marks of Cordova, Merida, Coimbra, Tarragona, Seville, Toledo, etc.
- Frey's Dictionary (American Journal of Numismatics, Vol. 50, 1916)