Watch List notes:

I: Briot, Warin and Rawlins, France, Louis XIII, Trial Piédfort Demi-Franc, 1618a, Paris, by N. Briot, in silver, laureate bust right, date below, lvdovicvs xiii d g fran et navaræ rex, rev. sit nomen domini benedictvm, L in centre of ornate cross fleury, edge + ivstissimi regis perennitati, 27.99g/432.4gr/12h (Ciani 1632; VG 35; KM. P25). Very fine and very rare £1,500-£2,000

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Provenance: L.R. Stack Collection, Stack's Auction (New York), 4 December 2001, lot 889.

A half-franc pattern made on a screw press, with edge lettering from three collar segments. Simon was undoubtedly a pupil of Briot's at the Tower in the 1630s