ROMAN EMPIRE PROVINCIAL, Caracalla, Touria, Greece

AE 20 mm 3.8 grams 198-211 AD
OBV :: AVTO MAR ANTONINO. Laureate, draped and cuirassed bust right
REV :: (Θ)OVI PI-ATU(Upsidedown U ) N. Athene standing, facing , head turned right. Holding nike in right hand, spear in left hand
(Λ) in left field, A in right field
Minted in Thuria on the Pelononnesus peninsula in Greece

the following is an exerpt from http://www.snible.org/coins/hn/peloponnesus.html#Thuria

Imperial—Severus to Geta. Inscr., ΘΟΥΡΙΑΤΩΝ. Types—Zeus, Athena, Asklepios, &c., all with letters ΛΑ in the field, indicating that Thuria, although geographically situated in Messenia, belonged at this time politically to Laconia (cf. Paus. iv. 31. 1).

This coin, as it stands, is unlisted in RIC, Wildwinds, coinarchives, coincatalog , and roman coins and their values , BMC, and the ANS database online,

link to forum discussion on this coin

http://www.forumancientcoins.com/board/index.php?topic=43876.0