Shepherds as Dioscuri?

Still reading 18th century books from Matthew Boulton’s library (or rather copies of books he owned, not the very books themselves…)

This image got me thinking.

Capture

Un-illustrated entries in OCRE.

Which led me to this:

Capture1

And also these rather interesting types with variations on the wolf and twins imagery from late antiquity:

http://numismatics.org/ocre/id/ric.6.rom.189

(The female figure grasping Mars’ hand is clearly Venus)

all related types in OCRE.