Megalopolis, Arkadia, AE19. Trichalkon, ca 80-50 BC. 3.87 g.

Laureate head of Zeus left.
ME-G beneath eagle standing right on thunderbolt, RKA 
monogram in left field, PKA monogram in right field, all within wreath.

Pozzi Boutin 4348 (this coin); BMC 12 type (city name position); BCD Peloponnesos 1568.2. 
 
With permission of cngcoins.com, Sept 2007