In the past, I have been so interested in why Crawford’s 1971 interpretation of RRC 290/1 was wrong that until today I think I missed all that was right and interesting about his argument after one throws out the iconography portions.
I think he’s really on to something to link the traditions around the two Doliola especially as reported by Plutarch to the Dioscuri and their amphorae in Italic and Spartan imagery. This is a very smart and convincing hypothesis.
Here’s a basic run down:
More examples of the iconographic link between amphorae and Dioscuri:
Liv Mariah Yarrow 
[…] of course lead me back to some of my earlier thinking on doliola. Basically, two amphora are cult objects associated with the Dioscuri, especially as worshipped at […]