Watch List notes:

Balbinus (238 AD), AR Antoninianus, 4.36g, imp caes d cael babinvs avg, raidate, draped and cuirassed bust right, rev. fides mvtva avgg, two clasped hands (RSC 6; RIC 11), very minor striking split to reverse edge at 9 o'clock, otherwise lustrous, extremely fine, scarce.
provenance
Dorset County Museum Duplicates, Bonhams 7, 29-30 March 1982, lot 757, £230 - "scarce and almost extremely fine"
O C Vidler bequest, 1960
Great Dorchester hoard, 1936
Numismatic Chronicle, 1939, p.24 - Mattingly notes nine examples of this type recovered from the hoard.
Estimate: £400 - £500