15-10 BC., Augustus, Lugdunum mint, As, countermarked 7-9 AD. (by Varus ?).

Augustus, Lugdunum mint, struck 15-10 BC., countermarked 7-9 AD. in Germania,
Æ As (25-26 mm / 7.35 g),
Obv.: CAES[AR - PO]NT MAX , laureate head of Augustus r., round countermark below chin: "V A R V S" - monogram forming the spokes of a wheel - looking like "CCARN" in circle.
Rev.: [ROM E]T AVG , front elevation of the Ara Lugdunensis, flanked by Victories on columns.
RIC 230 var. ; BMC 550 var. ; Cohen 240 var. ; countermark: Martini Pangerl Collection 13 .
ex Forum, ex "maridvnvm"
A very rare countermark, maybe a "V A R V S" - monogram forming the spokes of a wheel. 5 (now 6) known examples 3 were documented as found in Haltern, Germany (a military camp site in Germania). http://www.romancoins.info/CMK-Lugdunum-Aug-Part1.html , http://www.fredericweber.com/articles/contremarques.htm , http://www.rom-museum.de/geld.htm