COIN (ROMAN)
Roman Republican denarius serratus minted by Quintus Antonius Balbus.
It is 18mm in diameter and weighs 3.47g (53.6gn). Its die axis is 2.

Mint: Rome
Date: 83-82 B.C.
Ref: Crawford 364 1c 

Moneyer: Antonius Balbus, Q.
Denomination: Denarius serratus (Roman Republic)
Material: Silver
Obverse: Laureate head of Jupiter right, SC downwards behind, control mark L• before head
Reverse: Victory in quadriga right, holding reigns and palm branch in left hand, wreath in right
Reverse legend: In exergue: Q.ANTO.BALB / PR ANT and AL are ligatured
Dated: -83.0 to -82.0
Weight (g): 3.47
Diameter (mm): 18.0
Parish: Chiseldon
District: Swindon
County: Swindon
Region: South West
Discovery method: Metal detector