Watch List notes:

Charles I (1625-49), Halfgroat, 1633-34, Group D, types 3.2-3.4, Tower, 1.02g, 3h, m.m. portcullis over harp, fourth bust, inner circle on both sides (cf. Brooker 672; N.2257; S.2829), a pleasing coin, good very fine with much underlying tone.
provenance
Purchased Spink, September 1977 - £40 [with tickets, stating:]
R Carlyon-Britton, third collection dispersed through the SCMB, March 1959, refers nos. 4494-4500 (this coin not listed)
Presumably
Prof D S Napier, Glendining, 30 May 1956, lot 128 (part) - £17.0.0 (Seaby)
Estimate: £60 - £80