This coin is a part of the Martock Hoard, consisting of some 425 Roman coins from the Constantinian period found in 2012 buried in a pot in Martok, UK.
Constantine I
A.D. 319-20
Ӕ nummus 18x19mm 2.5g
CONSTANT-INVS AVG -- high crested helmet, cuir., spear across r. shoulder, shield on left arm
VICT• LAETAE PRINC PERP -- two Victories stg., facing one another, together holding shield/wreath inscribed VOT PR on altar inscribed with the letter I.
In ex. BSIS✶
RIC VII Siscia 95
