Watch List notes:

Charles I (1625-49), Sixpence, York, 2.80g, m.m. lion, crowned bust left, value behind, rev. crowned oval-garnished shield dividing crowned cypher (SCBI XXXIII {Brooker}, 1100; N.2322; S.2876), rub to high points, otherwise toned, good very fine, rare thus.
provenance
Purchased Spink, 12 October 1963 - "very fine, very rare" - £40.0.0
Estimate: £600 - £800