Britannicus, 41-55. Sestertius (Orichalcum, 44 mm, 32.67 g, 6 h), a contemporary cast imitation. Irregular mint, after 50-54. TI CLAVDIVS CAESAR AVG F BRITANNICVS Bare-headed and draped bust of Britannicus to left. Rev. S - C Mars, helmeted, advancing to left in military attire, holding spear in his right hand and shield in his left. Cf. BMC 226, Cohen 2, RIC p. 130 note (Titus) and Von Kaenel, Thrakien, Type B, 5 (for prototype). A very interesting contemporary cast (a so-called 'limes-falsum') of this very rare issue, with its original casting sprues preserved. Flan faults, otherwise, fine.