Watch List notes:

Charles I (1625-49), Sixpence, Briot's first milled issue, 2.97g, 7h, m.m. flower and b, crowned bust left, value behind, rev. square-topped shield over cross moline (N.2301; S.2855), toned, almost very fine.
provenance
Purchased Spink, September 1977 (with Sinclair's ticket)
Estimate: £220 - £280