Watch List notes:

Merovingia Francia (c. 720-740), AR Denier, Reims [Saint-Rémi], Prototype for Series J, types 37 and 72, crude diademed busts facing, trident cross between, rev. Monogram RM, contraction mark above, row of pellets below, pellets in field, 0.82g, 270° (Adam, 2020, 'Des deniers mérovingiens rémois imitant des sceattas Anglo-Saxons'; SCBI 69, 1104 this coin; T&S, pp. 357, MEC 603-4, and pp. 633), chipped, otherwise, good very fine, rare.
provenance
R Bude, June 2012
~ Found near Bridlington (Yorkshire) ~
Estimate: £900 - £700