Watch List notes:

Merovingia Francia, Melle, Denier, Metalus, rev. Monogram, 1.29g, 0° (SCBI 69, 1101 this coin; Belfort 2887; Loveluck et al, 2018, pp. 1-15), light porosity, otherwise well-centred, very fine and rare, marking the transition from gold to silver coinage.
provenance
M Vosper, January 2016
~ Found near Ashford (Kent) ~
[EMC 2016.0039]
Estimate: £500 - £400