Pella, Macedonia, AE18, 187-168 BC. 5.47 g. 

Helmeted head of Athena right.
PEL-LHS, cow or bull grazing right. NA monogram below. 
Unpublished monogram

TLA 167859.

Not in SNG ANS, SNG Cop, BMC, Mionnet, Paris, Berlin etc. Type AMNG 14-15. 

With permission of TimeLine Auctions, int. no. 167859
(www.timelineauctions.com), October. 2020