7mm LRB with a Chi-Rho

[Victor]

7mm and weighs .6g

the obverse has what looks like glue, so I am soaking it in acetone

[Victor]

I just saw a similar example attributed to the Vandals--

Lot 110. VANDALS. Pseudo-Imperial coinage in the name of Justinian I. 548-565. Æ Nummus (8mm, 0.72 g, 6h). Carthage mint. Bust right / Christogram. BMC Vandals 28; cf. MEC 1, 33; SB 283; DOC I 311. Brown patina, rough obverse. VF.