COIN (ROMAN)
Roman Republican silver denarius of the moneyer C. Coelius Caldus struck in Rome in 104 BC. 
Obv. Helmeted head of Roma left
Rev. [ C COIL CALD or just CALD]; Victory in biga (two horse chariot) riding left.  Control marks not visible.
Reference: M Crawford, Roman Republican Coinage, p. 324, no. 318/1a or 1b
This was from a large issue of coins, there being 95 obverse dies and 119 reverse dies
Ruler: Republic
Denomination: Denarius (Roman Republic)
Material: Silver
Mint: Rome
Obverse: Helmeted head of Roma left
Obverse legend: None
Reverse: Victory in biga (two horse chariot) riding left.  Control marks not visible.
Reverse legend: [ C COIL CALD or just CALD]
Dated: -104.0 to 
Weight (g): 3.34
Diameter (mm): 18.7
Thickness (mm): 1.6
Completeness: Complete
Parish: Hellingly
District: Wealden
County: East Sussex
Region: South East
Discovery method: Metal detector